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Transient Plasma Systems says advances are bringing plasma ignition technology closer to commercialization

Green Car Congress

In particular, TPS technology offers a groundbreaking approach to reducing emissions from combustion engines and improving the environment. These vehicles have long lifetimes and will continue to occupy the roads next to clean EVs for years to come. —Dan Singleton, CEO and co-founder of Transient Plasma Systems.

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ROUSH CleanTech develops near-zero NOx propane autogas engine; CARB-certified at 0.02 g/bhp-hr

Green Car Congress

The engine is 90% cleaner than the current Environmental Protection Agency’s most stringent 0.2 Last year, we introduced a propane autogas engine that was 75% cleaner than the EPA’s emissions standard. grams per brake horsepower-hour (g/bhp-hr). Earlier post.). g/bhp-hr heavy-duty engine standard. billion Volkswagen settlement funds.

Engine 225
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Study finds marine workboat engines staying in service two times longer than estimated by EPA; emissions reduction implications

Green Car Congress

This finding reveals important opportunities for clean air improvements, especially in large port cities such as New York and Houston. A longer service life reduces the fleet’s turnover rate to cleaner, lower-emitting engines, therefore increasing future-year emission estimates. —Ezra Finkin, DTF Policy and Outreach Director.

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US EPA proposes to retain existing NAAQS for ozone

Green Car Congress

The US Environmental Protection Agency (EPA) is proposing to retain, without changes, the existing, more stringent 2015 National Ambient Air Quality Standards (NAAQS) for ozone. From 2017 to 2019, ozone concentrations fell 4%. During that same time, national average ozone concentrations have dropped 25%. Background.

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The Why, How, and Maybe Not of Geoengineering

Cars That Think

And so back in, I believe it was the 80s, it might have been earlier than that, Paul Knutson who famously identified the ozone whole problem, he put forward the idea that putting material in the stratosphere might be an interesting way to reflect sunlight to cool the planet. And that was based on observations of volcanoes.

Climate 66
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Automakers agree on common plug to recharge electric vehicles

Tony Karrer Delicious EVdriven

like people driving futuristic electric cars and everything being clean! Reply Neutral Elodie @ Apr 19th 2009 4:38PM How clean is an electrical car, really? Still totally cool to see automakers can agree about stuff (much better than computer makers, indeed), but I always find it weird when people say electrical cars are clean.