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airplane

Does the Aircraft Emissions Standard Fall Short?

The first-ever global emissions standard for commercial aircraft — years in the making — moved closer to takeoff this week as the United Nation’s aviation body proposed carbon pollution limits for airplanes. The International Civil Aviation Organization did not release details of its proposal. But that hasn’t stopped the aviation … Read more »

VW logo

VW Used ‘Defeat Device,’ Beat Clean Air Act

Volkswagen used software that circumvents emissions testing for certain air pollutants, according to the EPA, which issued the automaker a notice of violation of the Clean Air Act on Friday and ordered VW to recall almost half a million cars on the road. The notice of violation alleges that four-cylinder … Read more »

Some Biofuel Feedstock Estimates ‘Overstating’ Yields

Some Biofuel Feedstock Estimates ‘Overstating’ Yields

Estimates for potential biofuel feedstock crop yields from some widely cited research studies may overstate those yields by as much as 100 percent, according to research by the International Council on Clean Transportation. One key factor in developing a sustainable biofuels policy is to realistically estimate the amount of biomass that … Read more »

Tailpipe Pollution Standards Could Cut Emissions 80%

Extending the vehicle emissions and fuel-quality standards already in place in the largest global vehicle markets would reduce near-term climate impacts through reductions in black carbon and other short-lived climate pollutants by the equivalent of 710 million metric tons of CO2 annually, according to a report by the International Council … Read more »

jet fuel

FAA, Airlines, Universities to Develop Cleaner Jet Fuels

The Federal Aviation Administration has selected a team of universities to lead a new Air Transportation Center of Excellence (COE) that aims to benefit airlines by developing cleaner jet fuels and exploring other ways to meet next-generation air transportation environmental and energy goals. Led by Washington State University and the … Read more »

Alaska Airlines Tops Fuel-Efficiency Carrier Ranking

Alaska Airlines Tops Fuel-Efficiency Carrier Ranking

Alaska Airlines ranks No. 1 in fuel efficiency in a report by the International Council on Clean Transportation, while Allegiant Air is the least fuel-efficient and generates the most greenhouse gas emissions to provide a comparable level of service. The study by the nonprofit research organization based in Washington, DC, … Read more »

BMW, Audi ‘Underreport CO2 Emissions’

BMW, Audi ‘Underreport CO2 Emissions’

BMW and Audi are the worst offenders at underreporting CO2 emissions, according to an International Council on Clean Transportation report. The study compares official and “real-word” fuel consumption and CO2 emissions for passenger cars in Europe and finds that the average discrepancy between them rose from less than 10 percent … Read more »