//www.koonmotors.com/news/earth_climate/acid_rain/ Learn the cause and effect of acid rain. Read environmental news articles on how acid rain takes nutrients from the soil, leads to stunted forests and more. en-us Sat, 09 Sep 2023 20:53:49 EDT Sat, 09 Sep 2023 20:53:49 EDT 60 //www.koonmotors.com/images/scidaily-logo-rss.png//www.koonmotors.com/news/earth_climate/acid_rain/ For more science news, visit ScienceDaily. //www.koonmotors.com/releases/2023/09/230907130309.htm 当奶牛吃的饮食与降低蛋白质concentrations -- aimed at decreased environmental nitrogen pollution from their manure such as nitrate leaching, nutrient-laden run-off and ammonia volatilization -- their milk production can suffer. Supplementing the amino acid histidine may help in maintaining, and even increasing, milk and milk-protein yields. Thu, 07 Sep 2023 13:03:09 EDT //www.koonmotors.com/releases/2023/09/230907130309.htm //www.koonmotors.com/releases/2023/08/230830131842.htm In the atmosphere, gaseous sulfuric acid can form particles that influence the physical properties of clouds. Thus, the formation of sulfuric acid in the gas phase directly affects the radiative forcing and Earth's climate. In addition to the known formation from sulfur dioxide, researchers have now been able to demonstrate through experiments that there is another formation pathway that has been speculated about for decades. Sulfuric acid in the atmosphere can also be formed directly by the oxidation of organic sulfur compounds. This new production pathway can be responsible for up to half of the gaseous sulfuric acid formation over the oceans and is thus of high importance for climate projections -- especially over the oceans of the Southern Hemisphere. Wed, 30 Aug 2023 13:18:42 EDT //www.koonmotors.com/releases/2023/08/230830131842.htm //www.koonmotors.com/releases/2023/08/230829125815.htm Could blending of crushed rock with arable soil lower global temperatures? Researchers study global warming events from 40 and 56 million years ago to find answers. Tue, 29 Aug 2023 12:58:15 EDT //www.koonmotors.com/releases/2023/08/230829125815.htm //www.koonmotors.com/releases/2023/08/230821114412.htm Applying ground-up silicate rock to Midwestern farm fields can capture significant amounts of carbon dioxide and prevent it from accumulating in the atmosphere, according to a new study that successfully quantified those climate benefits for the first time. Mon, 21 Aug 2023 11:44:12 EDT //www.koonmotors.com/releases/2023/08/230821114412.htm //www.koonmotors.com/releases/2023/08/230818134959.htm A study has demonstrated that the partial substitution of red and processed meat with pea- and faba bean -- based food products ensured sufficient intake of amino acids in the diet and did not negatively affect bone metabolism. Fri, 18 Aug 2023 13:49:59 EDT //www.koonmotors.com/releases/2023/08/230818134959.htm //www.koonmotors.com/releases/2023/08/230811143647.htm A multidisciplinary team -- engineers, soil scientists, and biologists -- digs in with them for a deeper look at what happens to the soil underneath a decomposing body. Fri, 11 Aug 2023 14:36:47 EDT //www.koonmotors.com/releases/2023/08/230811143647.htm //www.koonmotors.com/releases/2023/08/230811115516.htm Using a novel method to detect microbial activity in biological soil crusts, or biocrusts, after they are wetted, a research team in a new study uncovered clues that will lead to a better understanding of the role microbes play in forming a living skin over many semi-arid ecosystems around the world. The tiny organisms -- and the microbiomes they create -- are threatened by climate change. Fri, 11 Aug 2023 11:55:16 EDT //www.koonmotors.com/releases/2023/08/230811115516.htm //www.koonmotors.com/releases/2023/07/230705105900.htm Researchers have found that one method of reducing greenhouse gas emissions is available, affordable, and capable of being implemented right now. Nitrous oxide, a potent greenhouse gas and ozone-depleting substance, could be readily abated with existing technology applied to industrial sources. Wed, 05 Jul 2023 10:59:00 EDT //www.koonmotors.com/releases/2023/07/230705105900.htm //www.koonmotors.com/releases/2023/07/230704110915.htm Sulphuric acid is the world's most used chemical. It is an important reagent used in many industries and it is used in the manufacture of everything from paper, pharmaceuticals and cosmetics to batteries, detergents and fertilizers. It is therefore a worldwide challenge that sulphuric acid often contains one of the most toxic substances -- mercury. Researchers have now developed a method that can reduce the levels of mercury in sulphuric acid by more than 90 per cent -- even from low levels. Tue, 04 Jul 2023 11:09:15 EDT //www.koonmotors.com/releases/2023/07/230704110915.htm //www.koonmotors.com/releases/2023/06/230628130404.htm A new study finds that as rising global temperatures shift snow to rain, mountains across the Northern Hemisphere will be hotspots for extreme rainfall events that could trigger floods and landslides -- potentially impacting a quarter of the world's population. Wed, 28 Jun 2023 13:04:04 EDT //www.koonmotors.com/releases/2023/06/230628130404.htm //www.koonmotors.com/releases/2023/06/230621164742.htm Specially designed gardens could reduce the amount of a toxic chemical associated with tires entering our waterways by more than 90 per cent, new research shows. Wed, 21 Jun 2023 16:47:42 EDT //www.koonmotors.com/releases/2023/06/230621164742.htm //www.koonmotors.com/releases/2023/05/230515131959.htm Researchers have developed porous crystals made from pomegranate extract to capture and degrade pharmaceutical molecules found in local municipal wastewater. Mon, 15 May 2023 13:19:59 EDT //www.koonmotors.com/releases/2023/05/230515131959.htm //www.koonmotors.com/releases/2023/05/230511164635.htm Researchers recently published a study that focuses on the Sudbury-Assabet and Concord watershed in eastern Massachusetts, and which links hydrological changes, including floods, drought and runoff, to changing patterns of land use. Thu, 11 May 2023 16:46:35 EDT //www.koonmotors.com/releases/2023/05/230511164635.htm //www.koonmotors.com/releases/2023/04/230428130814.htm Certain types of fungi can communicate with each other via electrical signals. But much remains unknown about how and when they do so. A group of researchers recently headed to the forest to measure the electrical signals of Laccaria bicolor mushrooms, finding that their electrical signals increased following rainfall. Fri, 28 Apr 2023 13:08:14 EDT //www.koonmotors.com/releases/2023/04/230428130814.htm //www.koonmotors.com/releases/2023/04/230420080719.htm 在肖四年田间试验进行es of restored Lake Mustijärv in Viljandi, Estonia, has revealed that recycling phosphorus-rich lake sediments back to agriculture could have positive impacts on crop production. Thu, 20 Apr 2023 08:07:19 EDT //www.koonmotors.com/releases/2023/04/230420080719.htm //www.koonmotors.com/releases/2023/04/230413154403.htm By using a new method, precious metals can be efficiently recovered from thin-film solar cells. The method is also more environmentally friendly than previous methods of recycling and paves the way for more flexible and highly efficient solar cells. Thu, 13 Apr 2023 15:44:03 EDT //www.koonmotors.com/releases/2023/04/230413154403.htm //www.koonmotors.com/releases/2023/03/230316114029.htm 目前大型煤炭的依赖power generation. As coal-fired plants cause environmental and health hazards, technologies such as swirl flow and air staging have been proposed to mitigate the pollutants in their emissions. However, it is unclear how effective these technologies are in reducing the environmental costs of these plants. Now, researchers have provided insights on this front in a new study, delineating their efficacies with experiments and simulations. Thu, 16 Mar 2023 11:40:29 EDT //www.koonmotors.com/releases/2023/03/230316114029.htm //www.koonmotors.com/releases/2023/03/230303105329.htm Researchers have developed a dual-purpose catalyst that purifies herbicide-tainted water while also producing hydrogen. Fri, 03 Mar 2023 10:53:29 EST //www.koonmotors.com/releases/2023/03/230303105329.htm //www.koonmotors.com/releases/2023/02/230205081323.htm Rocks, rain and carbon dioxide help control Earth's climate over thousands of years -- like a thermostat -- through a process called weathering. A new study may improve our understanding of how this thermostat responds as temperatures change. Sun, 05 Feb 2023 08:13:23 EST //www.koonmotors.com/releases/2023/02/230205081323.htm //www.koonmotors.com/releases/2023/02/230201084342.htm New research suggests nitrogen released by gas-powered machines causes dry soil to let go of carbon and release it back into the atmosphere, where it can contribute to climate change. Wed, 01 Feb 2023 08:43:42 EST //www.koonmotors.com/releases/2023/02/230201084342.htm //www.koonmotors.com/releases/2023/01/230125085857.htm Scientists have succeeded in synthesizing fumaric acid, a raw material for plastics, from CO2 powered by solar energy. Typically, fumaric acid is synthesized from petroleum as a raw material to make polybutylene succinate, a biodegradable plastic, but this research shows that it can be synthesized from CO2 and biomass-derived compounds using renewable energy. Wed, 25 Jan 2023 08:58:57 EST //www.koonmotors.com/releases/2023/01/230125085857.htm //www.koonmotors.com/releases/2023/01/230109145145.htm As the atmospheric deposition of sulfur has decreased, the use of sulfur fertilizer in Midwestern U.S. agriculture has increased between 1985 and 2015. Mon, 09 Jan 2023 14:51:45 EST //www.koonmotors.com/releases/2023/01/230109145145.htm //www.koonmotors.com/releases/2022/12/221213134412.htm Seawater is known to contain a significant concentration of boric acid, which can be toxic and deadly to living systems. As such, fish living in marine habitats need to be able to excrete boric acid in order to maintain a healthy boron balance. Researchers have now identified the gene and mechanism of boric acid transport in seawater fish and contrasted it to freshwater species. Tue, 13 Dec 2022 13:44:12 EST //www.koonmotors.com/releases/2022/12/221213134412.htm //www.koonmotors.com/releases/2022/11/221128112957.htm Researchers examined root exudates and their impact on soil carbon storage revealing surprising and counterintuitive results. Mon, 28 Nov 2022 11:29:57 EST //www.koonmotors.com/releases/2022/11/221128112957.htm //www.koonmotors.com/releases/2022/11/221103120048.htm For years, scientists have seen enhanced photosynthesis as one of the only possible bright sides of increasing levels of atmospheric carbon dioxide (CO2) -- since plants use carbon dioxide for photosynthesis, it is anticipated that higher levels of the gas will lead to more productive plants. Scientists now explain why this effect may be less than expected because elevated levels of CO2 make it difficult for plants to obtain minerals necessary to grow and provide nutritious food. Thu, 03 Nov 2022 12:00:48 EDT //www.koonmotors.com/releases/2022/11/221103120048.htm //www.koonmotors.com/releases/2022/10/221019090740.htm Hydrogen gas could someday replace fossil fuels as a 'clean' energy source, producing only water and energy. However, handling large quantities of gaseous hydrogen is cumbersome, and converting it to a liquid requires vessels that can withstand extremely high pressures. Now, researchers have developed a method to store and release highly pure hydrogen with salts in the presence of amino acids. Wed, 19 Oct 2022 09:07:40 EDT //www.koonmotors.com/releases/2022/10/221019090740.htm //www.koonmotors.com/releases/2022/10/221005111919.htm Researchers have reported that nitrate accumulated in soil bordering streams plays an important role in the increase of nitrate levels in stream water when it rains. Their findings may help reduce nitrogen pollution and improve water quality in downstream bodies of water, such as lakes and nearshore waters. Wed, 05 Oct 2022 11:19:19 EDT //www.koonmotors.com/releases/2022/10/221005111919.htm //www.koonmotors.com/releases/2022/09/220912152903.htm While increased carbon dioxide levels in the atmosphere encourage plant growth, they also reduce the nutritional value of plants, which can have a larger impact on nutrition and food safety worldwide. Researchers have discovered a new way plants are adapting to the changing climate -- information that can be used to help plants grow strong while also maintaining their nutritional value. Mon, 12 Sep 2022 15:29:03 EDT //www.koonmotors.com/releases/2022/09/220912152903.htm //www.koonmotors.com/releases/2022/09/220912100346.htm Environmental scientists have developed a circular process for eliminating the risk posed by phosphoric acid plant wastewater. The process turns the environmentally toxic wastewater into clean water while recovering valuable acids. Phosphoric acid is the main ingredient in industrial fertilizers, a massive industry worldwide. Mon, 12 Sep 2022 10:03:46 EDT //www.koonmotors.com/releases/2022/09/220912100346.htm //www.koonmotors.com/releases/2022/08/220822091106.htm A new study highlights that global demand for sulfuric acid is set to rise significantly from '246 to 400 million tons' by 2040 -- a result of more intensive agriculture and the world moving away from fossil fuels. A projected shortage of sulfuric acid, a crucial chemical in our modern industrial society, could stifle green technology advancement and threaten global food security, according to a new study. Mon, 22 Aug 2022 09:11:06 EDT //www.koonmotors.com/releases/2022/08/220822091106.htm //www.koonmotors.com/releases/2022/08/220810105131.htm Calcium is a very special nutrient. In the cells of most living beings calcium ions function as so-called second messengers to transmit important signals. The same applies equally to animal, plant and fungal cells. Wed, 10 Aug 2022 10:51:31 EDT //www.koonmotors.com/releases/2022/08/220810105131.htm //www.koonmotors.com/releases/2022/07/220718154346.htm Scientists have discovered how to design cereal roots able to continue growing in hard soils by altering their ability to penetrate, enabling roots to access sources of water deeper in soil, and helping 'climate-proof' vital crops in response to changing UK rain fall patterns. Mon, 18 Jul 2022 15:43:46 EDT //www.koonmotors.com/releases/2022/07/220718154346.htm //www.koonmotors.com/releases/2022/07/220712102648.htm Plants protect themselves from environmental hazards like insects, drought and heat by producing salicylic acid, also known as aspirin. A new understanding of this process may help plants survive increasing stress caused by climate change. Tue, 12 Jul 2022 10:26:48 EDT //www.koonmotors.com/releases/2022/07/220712102648.htm //www.koonmotors.com/releases/2022/07/220711163153.htm Insect-eating plants have fascinated biologists for more than a century, but how plants evolved the ability to capture and consume live prey has largely remained a mystery. Now,scientists have investigated the molecular basis of plant carnivory and found evidence that it evolved from mechanisms plants use to defend themselves. Mon, 11 Jul 2022 16:31:53 EDT //www.koonmotors.com/releases/2022/07/220711163153.htm //www.koonmotors.com/releases/2022/06/220613140743.htm With the rising cost of nitrogen fertilizer and its impacts on air and water quality, researchers want to help farmers make more informed fertilizer rate decisions. Their latest modeling effort aims to do that by examining the role of pre-growing season weather on soil nitrogen dynamics and end-of-season corn yield. Mon, 13 Jun 2022 14:07:43 EDT //www.koonmotors.com/releases/2022/06/220613140743.htm //www.koonmotors.com/releases/2022/06/220601142841.htm New analysis shows crop yields could increase by about 25% in China and up to 10% in other parts of the world if emissions of a common air pollutant decreased by about half. Wed, 01 Jun 2022 14:28:41 EDT //www.koonmotors.com/releases/2022/06/220601142841.htm //www.koonmotors.com/releases/2022/05/220525102926.htm A team of microbiologists has succeeded in using bacteria for the controlled storage and release of hydrogen. This is an important step in the search for carbon-neutral energy sources in the interest of climate protection. Wed, 25 May 2022 10:29:26 EDT //www.koonmotors.com/releases/2022/05/220525102926.htm //www.koonmotors.com/releases/2022/05/220519103838.htm Atmospheric researchers have discovered a mechanism that allows nuclei for ice clouds to form and rapidly grow in the upper troposphere. Although the conditions for nucleus formation are only fulfilled in the Asian monsoon region, the mechanism is expected to have an impact on ice cloud formation across large parts of the Northern Hemisphere. Thu, 19 May 2022 10:38:38 EDT //www.koonmotors.com/releases/2022/05/220519103838.htm //www.koonmotors.com/releases/2022/05/220503141350.htm In contrast to previous assumptions, the defense hormones salicylic acid and jasmonic acid do not always suppress each other in regulating plant chemical defenses against pests and pathogens. In trees, the interplay of both hormones can actually increase plant resistance. Tue, 03 May 2022 14:13:50 EDT //www.koonmotors.com/releases/2022/05/220503141350.htm //www.koonmotors.com/releases/2022/04/220418085656.htm A new study shows it's not how much extra water you give your plants, but when you give it that counts. Researchers observed that in summer, plants grow more when given extra water, in addition to any natural rainfall. However, the same is not true in winter. Mon, 18 Apr 2022 08:56:56 EDT //www.koonmotors.com/releases/2022/04/220418085656.htm //www.koonmotors.com/releases/2022/04/220413090855.htm Organic, metal free, high-energy batteries are a pathway to a greener future. Yet scientists have struggled to find ways to boost the voltage in organic lithium-ion batteries. Now, a study has proposed a small organic molecule known as croconic acid that can maintain a working voltage of around 4 Volts. Wed, 13 Apr 2022 09:08:55 EDT //www.koonmotors.com/releases/2022/04/220413090855.htm //www.koonmotors.com/releases/2022/04/220407101108.htm A recent study has revealed that when plants are exposed to rain, hair-like structures on the leaf surface called trichomes recognize this rain as a risk factor for causing disease and activate their immune system to prevent infections. These findings could contribute to the development of methods to protect plants from infectious diseases caused by rain. Thu, 07 Apr 2022 10:11:08 EDT //www.koonmotors.com/releases/2022/04/220407101108.htm //www.koonmotors.com/releases/2022/04/220406101636.htm Earthworms are a welcome sight for gardeners and farmers because the wriggling invertebrates recycle nutrients from soil, making them more accessible to plants. As worms burrow, they consume almost everything in their path, including microscopic plastic pollution. Now, researchers have observed that earthworms actually prefer soil with some types of microplastics but digest the polymers differently, which the team suggests could impact the animals' health and the ecosystem. Wed, 06 Apr 2022 10:16:36 EDT //www.koonmotors.com/releases/2022/04/220406101636.htm //www.koonmotors.com/releases/2022/03/220316115000.htm Ice cores drilled in Antarctica and Greenland have revealed gigantic volcanic eruptions during the last ice age. Sixty-nine of these were larger than any eruption in modern history. According to the physicists behind the research, these eruptions can teach us about our planet's sensitivity to climate change. Wed, 16 Mar 2022 11:50:00 EDT //www.koonmotors.com/releases/2022/03/220316115000.htm //www.koonmotors.com/releases/2022/03/220309104446.htm New research shows how, after it rains, microbes in desert soil convert one form of pollution into another -- laughing gas. Wed, 09 Mar 2022 10:44:46 EST //www.koonmotors.com/releases/2022/03/220309104446.htm //www.koonmotors.com/releases/2022/03/220302190006.htm Research shows that federal regulations to reduce human-caused sulfur in the atmosphere have aided in the recovery of algal ecosystems for two lakes in Acadia National Park. However, the study also shows that the warming climate negatively impact certain types of lakes more than others, which could affect future ecosystem recovery. Wed, 02 Mar 2022 19:00:06 EST //www.koonmotors.com/releases/2022/03/220302190006.htm //www.koonmotors.com/releases/2022/02/220223104912.htm Succinic acid is an important precursor for pharmaceutical and cosmetic products and also serves as a component in biodegradable plastics. It is currently derived mainly from petroleum-based processes. Researchers are using the marine bacterium Vibrio natriegens as a biocatalyst. This could permit the production of succinic acid in sustainable processes using renewable raw materials. Wed, 23 Feb 2022 10:49:12 EST //www.koonmotors.com/releases/2022/02/220223104912.htm //www.koonmotors.com/releases/2022/02/220209154931.htm Scientists applied their flash Joule heating process to coal fly ash and other toxic waste to safely extract rare earth elements essential to modern electronics and green technologies. Wed, 09 Feb 2022 15:49:31 EST //www.koonmotors.com/releases/2022/02/220209154931.htm //www.koonmotors.com/releases/2021/12/211216144627.htm An unprecedented drought experiment at Biosphere 2 highlights nature's surprising resilience. Thu, 16 Dec 2021 14:46:27 EST //www.koonmotors.com/releases/2021/12/211216144627.htm //www.koonmotors.com/releases/2021/12/211213121816.htm Scientists have developed a new simple, inexpensive and fast method to detect and measure very low concentrations of agricultural lime in soils, which is generally a time consuming and difficult exercise. Mon, 13 Dec 2021 12:18:16 EST //www.koonmotors.com/releases/2021/12/211213121816.htm //www.koonmotors.com/releases/2021/11/211122172733.htm New research examines the chemistry of a proposal to curb climate change's effects -- creating a sunshade in the upper atmosphere made of sulfuric acid -- and finds that there's more work to do to successfully pull off such a feat. Mon, 22 Nov 2021 17:27:33 EST //www.koonmotors.com/releases/2021/11/211122172733.htm //www.koonmotors.com/releases/2021/11/211117100133.htm Acetogens are a group of bacteria that can metabolise formate. For example, they form acetic acid -- an important basic chemical. If these bacteria were manipulated to produce ethanol or lactic acid, a comprehensive circular economy for the greenhouse gas CO2 could be realised. To ensure that the process is sustainable, the CO2 is extracted directly from the air and converted to formate using renewable energy. To find out how exactly formate can be utilised by the Acetobacterium woodii (short: A. woodii), a team led by Stefan Pflügl from the Institute of Chemical, Environmental and Bioscience Engineering at TU Wien investigated how the bacterium metabolises various substrates -- including formate. Furthermore, the researchers used a metabolic model to study how A. woodii could be genetically modified to produce substances other than acetic acid. Wed, 17 Nov 2021 10:01:33 EST //www.koonmotors.com/releases/2021/11/211117100133.htm //www.koonmotors.com/releases/2021/11/211116111318.htm Observational data shows air pollution in India decreased drastically in the first COVID-19 lockdown when emissions from vehicles naturally declined, but researchers say those numbers only tell part of the story -- blue skies and an absence of visible smog can be deceiving and hide pollutants that could potentially cause health issues. Tue, 16 Nov 2021 11:13:18 EST //www.koonmotors.com/releases/2021/11/211116111318.htm //www.koonmotors.com/releases/2021/11/211103200428.htm In a new study, researchers found that during epochs of extreme heat -- 20 to 30 degrees Fahrenheit hotter than today -- Earth may have experienced cycles of dryness followed by massive rain storms hundreds of miles wide that could dump more than a foot of rain in a matter of hours. The research not only sheds light on Earth's distant past and far-flung future but may also help to understand the climates of exoplanets orbiting distant stars. Wed, 03 Nov 2021 20:04:28 EDT //www.koonmotors.com/releases/2021/11/211103200428.htm //www.koonmotors.com/releases/2021/11/211103082615.htm A study has found that periodic mass outbreaks of leaf-munching caterpillars can improve the water quality of nearby lakes - but may also increase the lakes' carbon dioxide emissions. Wed, 03 Nov 2021 08:26:15 EDT //www.koonmotors.com/releases/2021/11/211103082615.htm //www.koonmotors.com/releases/2021/10/211019123548.htm It took the climate 20,000 to 50,000 years to stabilize after the rise in global temperatures of five to eight degrees Celsius 56 million years ago. Climate change today is causing temperatures to rise and is also increasing the likelihood of storms, heavy rain, and flooding -- the recent flood disaster in the Ahr valley in Germany is just one such example. What we need to ask ourselves in this connection is how quickly the climate can recover from the warming caused by an increase in carbon dioxide in the atmosphere. Tue, 19 Oct 2021 12:35:48 EDT //www.koonmotors.com/releases/2021/10/211019123548.htm //www.koonmotors.com/releases/2021/10/211011151110.htm New findings significantly alter the prevailing understanding of how marine life influences clouds and may change the way scientists predict how cloud formation responds to changes in the oceans. Mon, 11 Oct 2021 15:11:10 EDT //www.koonmotors.com/releases/2021/10/211011151110.htm //www.koonmotors.com/releases/2021/08/210825113633.htm Unrealistic and flawed scientific experiments mean the true impact of nitrogen pollution on the environment is unknownremains poorly understood, a new study warns. Wed, 25 Aug 2021 11:36:33 EDT //www.koonmotors.com/releases/2021/08/210825113633.htm //www.koonmotors.com/releases/2021/08/210823125733.htm Magnesium rechargeable batteries show immense promise for a greener future because of their energy density, safety, and cost. But the lack of high-performance cathode materials has impeded their development. Now, a research team has developed liquid-sulfur/sulfide composite cathodes that enable high-rate magnesium batteries. Mon, 23 Aug 2021 12:57:33 EDT //www.koonmotors.com/releases/2021/08/210823125733.htm //www.koonmotors.com/releases/2021/08/210812092731.htm As wildfires and heatwaves stress the western United States, concern over drought is rising: Dry landscapes burn more readily, and rain can help quell fires already raging. But wildfire smoke may keep that essential rain from falling. Thu, 12 Aug 2021 09:27:31 EDT //www.koonmotors.com/releases/2021/08/210812092731.htm