Heavy vehicles need many gears because their engines deliver peak torque within a limited RPM range, usually between 1000 and ...

If you're driving a manual-transmission car, you may be wondering when to shift gears to get the best mileage. There's a ...

Increasing gear counts in an automatic transmission improves fuel economy by reducing engine RPM during cruising, but has ...

Well, that isn't entirely accurate, as you'll see in this video series from YouTube's Gears and Gasoline, in which one of the Bens replaces the blown 1ZZ engine in his MR-S with a highly modified ...

MAN’s 35/44G TS, 51/60G, and 51/60G TS gas engines are also “already ‘H2-ready’ and can be operated with a hydrogen proportion of up to 25% by volume in the gas mixture,” he noted. 2.

A transmission changes gears depending on speed and accelerator input (i.e., how far down you push the pedal) so that the engine’s RPM or “revolutions per minute” are kept appropriately low. This ...

WASHINGTON (AP) -- Automakers agreed Thursday to abandon their longtime legislative priority of freezing federal gas mileage standards, shifting their focus to promoting a tax credit for buyers of ...

First Gear: A Wednesday morning shakedown as a Daytona ... on the cusp of another possible change in NASCAR’s fuel supplier. This season is the last for Sunoco in its current deal as the ...