An environmental group released a report saying that diesel truck “prebuys” ahead of new emissions mandates have never occurred. Find out why ACT Research’s...

Refrigerant, particulate emissions get stricter for transport refrigeration units in California soon.

The California Air Resources Board has proposed regulations to end the sale of new diesel-propelled big rigs and other trucks by 2040.

An ACT Research study indicates that trucking will be hit with a major prebuy before the next round of EPA emission regulations hit in 2027. HDT sits down...

We tip our hat to Rudolph Diesel, the creator of the little engine that did, and examine an EPA proposal that will bring his engine even closer to zero...

CESBA will produce new research and organize educational events that will help set up measurable Canada-wide policies in order to greatly accelerate the...

Four women who play different roles in their efforts toward school bus electrification in different parts of the country talk about the challenges and...

The Prairie Band Potawatomi Nation in Kansas plans to replace inefficient larger engine vehicles to reduce emissions.

EPA's proposal would reduce heavy-duty engine emissions during a broader range of operating conditions that span nearly all in-use operations, such as...

Work is starting on developing a new API diesel engine oil category to help meet the demands of upcoming greenhouse gas and fuel mileage regulations.