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Democratic lawmakers are unveiling legislation that would invest $25 billion to convert the nation’s fleet of gasoline- and diesel-powered school buses to electric vehicles, aiming at a component of President Joe Biden’s $2.25 trillion infrastructure plan to improve children’s health.

The national average price of a gallon of diesel dipped half a cent to $3.124 a gallon, according to Energy Information Administration data released April 19.

The U.S. Environmental Protection Agency expects to issue a notice of proposed rulemaking later this year aimed at establishing new emissions standards for oxides of nitrogen (NOx) and other pollutants for highway heavy-duty engines, an EPA official told the S.11 study group of the Technology & Maintenance Council of American Trucking Associations during TMC’s virtual spring meeting.

DETROIT — Two federal agencies are sending teams to investigate the fatal crash of a Tesla near Houston in which local authorities say no one was behind the wheel.

As federal policymakers prepare to consider comprehensive highway policy legislation in the coming weeks, the top Republican on the U.S. Senate transportation committee reiterated calls for bipartisanship.

The national average price of a gallon of diesel slipped 1.5 cents to $3.129, according to Energy Information Administration data released April 12.

WASHINGTON — Two big South Korean electric vehicle battery makers have settled a long-running trade dispute that will allow one company to move ahead with plans to manufacture batteries in Georgia. President Joe Biden called it “a win for American workers and the American auto industry.”

A report that suggests a longstanding prohibition on commercial services at interstate rest areas should be lifted is being opposed by a group representing private truck stops.

The shift to electric vehicles won’t happen like the flip of a light switch.

Two of the world’s largest electric-vehicle battery-makers have hired top Washington insiders to hold near-daily meetings with the Biden administration in a battle that could affect the electrification plans of Ford Motor Co. and Volkswagen AG.