Mazda is quietly killing its diesel-like Skyactiv-X gas engine in Europe's Mazda3. Here's how SPCCI worked and why hybrids ...

Federal and state laws created to counter rising gas prices are useful, but some drivers could run into new problems if ...

Texas’ emergency diesel waiver allows fuel containing up to 500 ppm sulfur through November 13—but newer engines, Tier 4 ...

What Happens When You Run Rotella Diesel Oil in a Gas Engine? The Lab Test Results Might Surprise You. Check Them Out!

You should never perform any repair work on any type of engine unless you're genuinely confident you have the experience and expertise necessary to do so safely. That said, from general upkeep to ...

Gas prices have been consistently rising, and drivers are unsure when they will come back down. For those who drive diesel trucks or SUVs, they seem to have it the worst as prices cost much higher ...

Responding to the surge in diesel fuel prices, federal and state lawmakers introduced temporary measures intended to provide ...