Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68 ...

Older diesel trucks sit at the center of a policy fight that touches public health, climate goals, and the economics of freight. Regulators see high-emitting engines as a lingering liability from an ...

Montgomery County Public Schools is looking to buy more than 100 diesel buses — its largest order of combustion engine vehicles in recent years.

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

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 ...

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 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 ...

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 ...

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.

Q: Dear Ask Us Guy, Because federal grants are available to pay virtually the entire cost of electric buses (e-buses) as well as the infrastructure necessary to charge them, why does the city of ...