91��Ƶ

The U.S. Environmental Protection Agency, noting “growing interest” in alternative-fuel conversion systems, recently proposed to streamline certification of aftermarket conversions that turn Class 8 diesel engines into engines that can burn diesel and natural gas.

The California Air Resources Board has awarded $200 million in Proposition 1B funds to help cut emissions from heavy-duty trucks and other sources in the state’s four busiest trade corridors.

A bipartisan group of U.S. senators left a closed-door White House meeting with President Obama last week divided over whether energy and climate legislation could pass and uncertain what form it might take.

A new study has found that nationwide adoption of a low-carbon fuel standard would increase the retail cost of motor fuel by as much as 170% over a 10-year period.

Retail diesel prices reversed course last week, as the national average rose 3.3 cents a gallon to $2.961 after falling 19.9 cents in the five previous weeks, the Department of Energy reported.

The National Highway Traffic Safety Administration plans to propose fuel efficiency standards starting with model year 2016 commercial medium- and heavy-duty on-highway vehicles, and said it will prepare and environmental impact statements as part of the procedure.

About the two May 17 “rate setting” letters: It’s important for trucking companies to understand that we are the ones who set the rates.

The American Transportation Research Institute released results of its study on greenhouse gas reporting tools and emissions models.

Air pollution at the Port of Long Beach, Calif., declined in 2009 for the third consecutive year, and diesel particulate matter has fallen more than 50% since 2005, in part because of the port’s clean truck program, port officials said