Fuel-Efficient Diesels May be Poised to Make Gains in the U.S.

Lubrizol CV1700 Heavy-Duty Engine Oil Additive Available Well Ahead of API CL-4 First License

Lubrizol CV1700, Lubrizol’s additive solution for the American Petroleum Institute’s (API’s) next heavy-duty diesel engine oil specification, is available now and enables high performance across a broad range of base oil stocks and viscosity grades.

Diesel vs. Gasoline? Today, the Answer’s Less Clear

Diesel or gasoline in your next light truck? Complexity has made modern clean-burning diesels more expensive to buy, while improvements to today’s gasoline engines make them a viable alternative.

2026 Fleet Forecast, Diesel Outlook & Compliance Reality in 60 Seconds

2026 is coming fast: fleet safety goes operational, tech becomes a system, diesel stays volatile, and compliance gets tougher. Quick hits, too.

Ignoring This Dashboard Warning Could Cost Your Fleet Thousands in Fuel

New research suggests neglected diesel aftertreatment systems could waste up to $30 in fuel per vehicle each day. Here's why vocational fleets should pay attention.

Diesel Drivers Report Superior Real-World Fuel Efficiency

Diesel-powered vehicles deliver more real-world miles per gallon than the numbers on new-car window stickers currently indicate, according to the U.S. Environmental Protection Agency's "YourMPG" database.

GM 6.5L Diesel Package

LAS VEGAS - EngineQuest, a supplier of stock and performance cylinder heads and engine components, announced its first-ever GM 6.5L Diesel package (EQ Part#GM6.5PKG).

National Petroleum Council Reports on Diesel Engines

WASHINGTON – Clean diesel engines will continue to be the dominant power source for heavy-duty vehicles in the United States for “decades to come because of their power and efficiency.”

Diesel Laptops Launches Virtual Diesel Tech Program

Diesel Laptops announced the launch of its Virtual Diesel Technician Program, providing customers with full, unlimited access to Diesel Laptops’ certified, in-house Diesel Technicians.