I spent a high-octane weekend with Valvoline & Hendrick Motorsports learning how proprietary preparations can give you the ...

It may be a main power source for modern work trucks, but these obscure diesel engines show compression ignition designs have taken lots of forms in the past.

The real-time price of Brent crude oil is at $75.07 per barrel, and the price of WTI crude oil is at $71.60 per barrel. Oil prices are customarily quoted in dollars (USD) around the world, not only in ...