Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

The Toyota group has suspended the delivery of 10 vehicles due to certification irregularities associated with diesel engines manufactured by Toyota Industries Corporation (TICO). This problem affects ...

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New EPA 2027 emissions rules also mean new diesel engine oil specs. A new generation of heavy-duty engine oils will feature lower viscosity, improved thermal resistance, and possibly longer oil drain ...

Preparing for EPA 2027? API’s new PC-12 spec (CL-4 and FB-4) introduces ultra-low viscosity 0W-20 oils and stricter emissions ...

ROCHESTER, N.Y. – As businesses, school districts, cities and power companies all signal they’re not ready for the state’s forced transition to zero emission trucks and buses, one local company says ...

Most people know that internal combustion engines require a fuel source to run. For many passenger cars and trucks, that fuel source is gasoline. However, many commercial vehicles, boats, farming ...

CINCINNATI (CN) — Clean diesel truck buyers argued Thursday that their fraud and deceptive trade practices claims against GM for the use of a “defeat device” to pass emissions tests are not preempted ...