A brutal engine torture test is reigniting debate around Ford’s legendary diesel trucks. From contaminated fuel to extreme ...

The Knoxville, Tenn.-based National Transportation Research Center will receive $500,000 in federal research funding to test the Legacy rotary engine, a new type of rotary diesel engine for the ...

Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, ...

One company thinks it has the answer for truck operators that want to use natural gas but are concerned about range issues: a dual-fuel system that can be retrofitted to existing diesel engines. CARB ...

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If you think direct-injection diesel engines made their debut in the 1980's, think again. The first diesel without extra ...

The government is evaluating diesel blended with up to 15 per cent isobutanol, a move that could reduce oil imports. But, ...