Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68%—without expensive engine modifications or retrofits.

The Nebraska Department of Environment and Energy’s 2024 Clean Diesel Rebate Program is accepting applications for two types of rebates: diesel school bus replacements and medium- to heavy-duty diesel ...

The V8 diesel engine didn't have its greatest introduction, at least in the passenger car world. Developed for buyers seeking higher efficiency, Oldsmobile's V8 diesel-powered Cutlass proved to be a ...

Montgomery County Public Schools is seeking to purchase more than 100 diesel buses — its largest order of combustion-engine vehicles in recent years — saying some of its electric buses are not fully ...

WASHINGTON, D.C., USA — U.S. Senator from Washington Maria Cantwell announced three grants totaling more than $8 million for zero-emission school buses in Washington state. The funding for these ...

Transportation officials say the state needs flexibility to buy diesel buses as electric bus supply shortages threaten ...

The Connecticut Department of Transportation is seeking permission to resume buying diesel buses after a two year hiatus due ...

Two weeks in a row this month, Connecticut Department of Transportation officials were in front of state lawmakers defending proposals to use or buy diesel equipment for ...

One of Core Transit‘s goals is to make itself eco-friendly. But eco-friendly buses, as it turns out, do not run as well at altitude. During the Nov. 12 Core Transit board meeting, the board voted to ...

The Connecticut Department of Transportation is seeking permission to resume buying diesel buses after a two year hiatus due to a national backlog in the manufacturing of newer battery-powered buses.