Being a bit of a tech- and gear-head, some of my mods(such as converting my automatic transmission to manual, with my lean burning Japanese-market Civic VX engine just arriving in the mail for a transplant) might seem a bit extreme. Still, while I’ve beaten the 27-mpg EPA rating on my CRX by over 30 percent with the best practices below, there’s so reason you can’t go out and cut at least 10 percent before a summer road-trip weekend. These simple tricks will definitely help you save fuel-without ripping your car apart.