John manages an RV park and he wonders why his guests run their engines for 30 minutes before they roll out each morning. Tom has a few choice words for these folks (see above). And Ray explains why this is not only unnecessary, it can actually cause damage to the engines of the RVs.
Stewart's buying a new Ram Laramie and has to choose between 20" and 17" wheels. He wants whichever will give him the best mileage as he tows a 7500 pound trailer. And whichever will be easiest for his wife and dog (who both have short legs) to get in and out of.
Your next car might include Apple, Android and Microsoft in the dash. Here's a look at what's coming.