Gas Mileage Improvements

From StatWiki

"'You Can improve fuel economy by up to 10 percent by keeping your tires properly inflated,' says John Nielsen, national director of auto repair for AAA...

"Thirty seconds of idling uses more gas than shutting off and restarting your engine, according to the AAA...

"Dropping from 70 mph to 60 mph can increase mileage by as much as 18 percent, note Nielsen."

[edit] Source

Woman's Day, July 8, 2008, p. 86