It's called vehicle-to-vehicle communications, or V2V. And NHTSA says requiring it on all new cars can reduce accidents 70 to 80 percent.
Larry found a larger oil filter for his car and wonders if th extra oil capacity would help his engine in the long run. Tom and Ray say they've done similar work for customers who insist, but there are always dangers to improvising with the filter. Find out more, here.
Al's Suburban has been sluggish at low speeds and his relative told him it was his catalytic converter. Can relatives be trusted when it comes to car repair? Tom and Ray have a lot to say about that topic (and they help him with his car problem too). Read it all, right here.
Steel is still the number one material for making cars, but by scoring the Ford F-150 aluminum is gaining sharply. Automakers expect the aluminum share to nearly double by 2025 as fuel economy becomes critical, and that's got the steel industry fighting back with lightweight products of its own.