The Energy Department is announcing up to $137 million in investments for two programs designed to develop next-generation fuel-efficiency technologies in commercial and passenger vehicles, including more funding for SuperTruck II.
The federal government released highly anticipated "Phase 2" greenhouse gas/fuel economy rules for medium and heavy-duty vehicles Tuesday, which in some ways go further than the original proposal unveiled last year.
The price of diesel fuel in the U.S. was essentially flat last week, falling less than a cent, according to the latest numbers from the Energy Department.
Kenworth will extend its T680 fuel economy Advantage package into vocational applications soon with the launch of two new, T680 Advantage Day Cab models,, but will cut production of the T660 by the end of the year.
Sacramento County, Calif. has begun using renewable diesel to fuel many of its heavy-duty vehicles, including more than 400 municipal public works trucks and specialty vehicles.