Quote:
Originally Posted by Fat Charlie
Until you click through to the Consumer Reports article they link to.
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It gets even better on the AAA website they link to, where you can find these gems:
"Myth#8: Hypermiling can improve your gas mileage.
False: The goals of hypermiling are positive, such as eliminating aggressive driving and saving energy, notes AAA. Unfortunately, some motorists have taken their desire to improve fuel economy to extremes with techniques that put themselves, as well as their fellow motorists, in danger. Examples of dangerous hypermiling techniques include: cutting off the vehicle's engine or putting it in neutral to coast on a roadway, tailgating or drafting larger vehicles, rolling through stop signs and driving at erratic and unsafe speeds. These practices, notes AAA, can put motorists in a treacherous situation, especially in the Washington metro area, where the congestion and gridlock are the country's very worst. You could lose power steering and brakes or be unable to react to quickly changing traffic conditions, putting you into harm's way in the region's notoriously mind-numbing stop-and-go traffic.
Myth #9: Over-inflating tires or replacing compressed air with nitrogen in tires will improve fuel efficiency.
False: Over-inflating tires does not improve fuel efficiency, tire makers and highway safety experts, including AAA, say. It merely results in tires wearing more quickly and having less traction on the road. Replacing compressed air with nitrogen will keep tire pressure more stable over the long term, but does not improve efficiency. Improve fuel economy by maintaining the recommended pressure."