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EPA proposes new heavy-duty truck emissions rules

Green Car Congress

The proposed multi-pollutant rule would further reduce air pollution from heavy-duty engines and vehicles across the United States, including ozone and particulate matter (PM). In addition, as part of this rulemaking, EPA is proposing targeted updates to the existing Heavy-Duty Greenhouse Gas Emissions Phase 2 program (HD GHG Phase 2).

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Hyundai Motor puts XCIENT Fuel Cell electric trucks into commercial fleet operation in California with $3.5M from EPA

Green Car Congress

Hyundai Motor has secured $3.5 The XCIENT Fuel Cell 6x4 tractor model participating in the demonstration is equipped with a 180 kW fuel cell system and e-motor with a maximum output of 350 kW. Hyundai Motor will begin operating 30 Class 8 XCIENT Fuel Cell electric trucks in California starting in the second quarter of 2023.

Hyundai 370
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Severe drought influences ozone pollution

Green Car Congress

Drought conditions can have complicated effects on ozone air quality, so to better understand the process, researchers have analyzed data from two ozone-polluted cities before, during and after the California drought. However, plants also decrease air ozone levels by taking the gas up through pores in their leaves.

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HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions 353
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Airborne measurements show ozone-forming VOCs emissions from ethanol plant higher than government estimates

Green Car Congress

New airborne measurements downwind from an Archer Daniels Midland fuel ethanol plant in Decatur, Illinois, show that ethanol emissions are 30 times higher than government baseline estimates. VOCs and nitrogen oxides react with sunlight to form ground-level ozone, the main component of smog. That is where this study fits in.

Ozone 150
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US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

Green Car Congress

The US Environmental Protection Agency (EPA), USDepartment of Justice (DOJ), and California Air Resources Board (CARB) announced a proposed settlement with Daimler AG and its American subsidiary Mercedes-Benz USA, LLC resolving alleged violations of the Clean Air Act and California law associated with emissions cheating.

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Toyota develops tropospheric ozone-concentration simulator for South and East Asia

Green Car Congress

Toyota Motor Corporation (TMC) and Toyota Central R&D Labs., have developed a simulator able to predict tropospheric ozone concentrations across the whole of South and East Asia. Tropospheric ozone is the main cause of photochemical smog, an atmospheric pollutant harmful to human health and plant growth.

Ozone 199