Click here to write a Letter to the Editor. new Indiana law raising the speed limit for trucks on some interstate and other highways was scheduled to go into effect July 1, but could be delayed, state transportation officials said.

Click here to write a Letter to the Editor. California court has refused to stop the implementation of a state regulation requiring diesel engine manufacturers to reset engine controls on older trucks in order to meet emission standards.

A bill requiring motorists on Florida highways to stay out of the far left lane, except when passing another vehicle, was approved by both branches of the state Legislature April 7 and expected shortly at the governor’s office, an official with the state’s Office of Policy and Budget said.

The Engine Manufacturers Association said it filed a lawsuit against the California Air Resources Board, seeking to overturn the agency’s requirement that engine manufacturers upgrade emission-reduction software on many trucks operating in the state.

An Alabama state senator’s proposal to create a motorists’ hot line to report unsafe commercial vehicles has drawn criticism from trucking groups, which questioned the motive of the proposal.

WASHINGTON — A federal judge said last week he was “astounded” that neither railroad nor federal officials could tell him what the government’s plans were for protecting the U.S. Capitol from possible attacks involving hazardous materials cargo carried by rail.

The Surface Transportation Board, responding to a petition filed by CSX Transportation, declared the District of Columbia's partial ban on hazardous materials shipments through the city was pre-empted by federal law.