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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

Green Car Congress

A new study provides the most detailed picture available to date of the global, regional, and local health impacts attributable to emissions from four transportation subsectors: on-road diesel vehicles; other on-road vehicles; shipping; and non-road mobile engines such as agricultural and construction equipment. Source: The ICCT.

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Chevrolet introduces Colorado Duramax Diesel midsize pickup

Green Car Congress

Chevrolet has introduced the diesel version ( earlier post ) of its 2016 Colorado midsize pickup truck. Colorado is the 2015 Motor Trend Truck of the Year and Cars.com’s Best Pickup Truck of 2015.) The new Colorado diesel goes on sales this fall, offered in LT and Z71 Crew Cab models, with 2WD or 4WD.

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New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%

Green Car Congress

A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. Real-world NO x emission factors by vehicle emissions standard in key regions. A paper on the work is published in the journal Nature.

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ASG life-cycle study finds aluminum Ford F-150 “Best Full-size Truck of 2015” from environmental and economic perspective

Green Car Congress

According to the latest annual life-cycle study from the Automotive Science Group ( ASG ), the all-new lightweight aluminum 2015 Ford F-150 leads the full-size light-duty truck competition in all environmental and economic performance areas; accordingly, ASG selected the F-150 as its Best Full-size Truck of 2015. —Colby Self.

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Study quantifies impact of oil and gas emissions on Denver’s ozone problem

Green Car Congress

The first peer-reviewed study to directly quantify how emissions from oil and natural gas (O&NG) activities influence summertime tropospheric ozone (O 3 ) pollution in the Colorado Front Range confirms that chemical vapors from oil and gas activities are a significant contributor to the region’s chronic ozone problem. McDuffie et al.

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Study finds significant slowdown in decrease of NOx emissions in US; implications for air quality management

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NO x emissions have not been decreasing as expected in recent years (2011–2015) when comparing top-down estimates from satellites and surface NO 2 measurements to the trends predicted from the US Environmental Protection Agency’s emission inventory data, according to a new study by an international team of researchers.

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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. The researchers used those to calculate emissions of various gases, including VOCs, nitrogen oxides and sulfur dioxide. —Joost de Gouw.

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