The Ram 1500 TRX-based Hennessey Mammoth 1000 is a custom version of the high performance pickup with a 1,000 hp engine that should be able to go well over 120 mph, but has had its speed restricted to ...

Pssst. Want to save money in the face of spiraling gasoline prices? Slow down. A national 55-mph speed limit helped America weather the Arab oil embargo of 1973. Gasoline consumption stopped growing ...

You’re not going to like this one. Here at KickingTires, we know we don’t. Cars are most efficient when driven at a low speed in their top gear. Therefore, changing speed limits on highways to 55 mph ...

GREENSBORO, N.C. — The gas price saga is stop-and-go. America slowly pumps the brakes on record-shattering prices but has faced road blocks rolling the burden to a stop. "That's absolutely true," ...

It is time to consider all possible strategies that could ease the burden on American drivers, not to mention slow the amount of pollution our vehicles belch out every day now that oil prices have ...

It is suicide in American politics these days to talk about raising the gas tax as a way of curbing consumption. Almost as profane is the suggestion that we return to the 55 mph speed limit, which the ...

MINNEAPOLIS (WCCO) -- A Minnesota state lawmaker has an idea to improve one of the Twin Cities' most used highways – up the speed limit. The bill targets a stretch of Interstate 35E in St. Paul, where ...

Q: Once again you talk about the 55-mph speed limit for trucks. It is a joke. No trucks obey this limit. This law should be repealed. Dan Brackett A: In the Roadshow poll on the 55-mph speed limit for ...

We've had a ride in a prototype 2012 Tesla Model S electric luxury sport sedan, and it was impressive. The car was smooth, quiet, and relatively fast at speeds up to 95 mph on the test track ...

The Florida unmanned trucking company Starsky Robotics may have set a record for the fastest an uncrewed vehicle has driven on a (closed) public road, when one of its trucks hit 55 MPH with nobody on ...

A strong cold front is expected to hit New Jersey Wednesday night into Thursday with snow showers that could include dangerous snow squalls as winds gust up to 55 mph. While snowfall totals should be ...