Michelin is coming out with Auto Inflate, which will maintain the correct pressure as the tire turns. Right now it's only for heavy-duty trucks, but that's likely to change soon.
Richard notices that when he hits the "resume" on cruise control, it accelerates much faster than he would if he were accelerating manually. Is this good for his fuel economy?
The transmission on Bill's 2000 Volvo V70 is slipping. Is it safe to keep driving it? Car Talk's take, right here.
Karen learned to drive on a manual transmission and thinks it made her a better driver. But is it safer to teach kids on an automatic? Car Talk's advice, here.