With the price of gas going up, down, and all over the place, people are becoming more and more concerned about fuel economy, and GEARZ is asked time and time again what products we recommend that really give you better economy and performance. Well, ask no more... Stacey not only addresses that question, but also goes thru the top 6 upgrades that ANYBODY can do to a vehicle! That's right; these are inexpensive AND easy to do! After that, Stacey takes on the subject of alternative fuels by demonstrating that you can actually make a diesel engine run, and run well, on old used cooking oil!