ºÚÁϳԹÏÍø

The U.S. trade deficit increased 13.3% in July from an almost four-year low, the Commerce Department reported.

Federal regulators withdrew some portions of a rule they tried to finalize in June that would have made minor technical amendments to the upcoming greenhouse-gas emissions and fuel-efficiency standards for heavy trucks.

The U.S. Environmental Protection Agency finalized the 2013 percentage standards for four fuel categories that are part of the Renewable Fuel Standard program established by Congress to reduce carbon climate change.

Massachusetts became the latest state to increase its fuel taxes, with lawmakers approving a transportation-funding plan Wednesday that will add 3 cents to the state’s 21-cent-per-gallon diesel and gasoline taxes.

The diesel fuel tax will increase in a number of states across the nation  July 1, while Virginia and Maryland will begin charging new sales taxes that also will increase the cost of fuel.

President Obama last week announced that the administration will begin work on a new round of fuel-economy standards that will apply to heavy- and medium-duty trucks starting in 2019.

WASHINGTON — Work will begin immediately to develop a second round of fuel-performance standards for heavy trucks starting in model year 2019, an Environmental Protection Agency official said Wednesday.

The House passed a bill that would take the permitting authority for the Keystone XL Pipeline away from President Obama.

The California Air Resources Board is hosting free classes on complying with CARB diesel regulations.

ESW CleanTech has acquired the assets and product line of Cleaire Advanced Emissions Controls.