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AddWhy does mileage drop in winter?

Why does mileage drop in winter?

This week's Greenlings topic came to us from another reader tip. Don asked why his fuel economy suffers so much in winter weather. In his own experience, mileage drops about 10 percent when the temperatures go from the 60-70 F range to near freezing. This is consistent with our own experience and in fact we've seen even bigger drops than that when testing hybrid vehicles in winter conditions.

15Attended: Bridgestone Winter Driving School

The 2-ton SUV is sliding completely off its intended course. The steering wheel is at full opposite lock, yet uncontrolled oversteer flips the rear end of the Toyota 4Runner around like a cat with its tail on fire. In one last-ditch attempt to halt the pendulum process, I stab the throttle. All four tires desperately claw at the frozen surface, but it is too late to really help. The grip the four small contact patches manage to find simply drives me directly into the thick snow bank on the side

10Color-shifting roads warn of ice

Problems caused by disappearing traction when roads get icy will be solved when we all get our flying cars - it is the 21st century, after all. Until that long overdue promise is fulfilled, we're all relegated to putting rubber to the road to reach our destinations. The way winter road conditions are currently mitigated involves lots of salt and many trucks. The trucks are pretty much necessary for removal of heavy precipitation, but salting exacts an environmental, as well as financial price. M

9Q Tires testing Celsius retractable-stud snow tires

click the pic to view a video about the Q Celsius tire

3Drive it like you stole it - Imaginary winter drifting in an AMG Mercedes

Whew! We just got back from beating the hell out of an AMG CL 63. Lurid powerslides defined our drifting technique as we slid the big-power Merc hither and yon, earning points as we went. We surely mangled some shrubbery and even smacked the tail of this beastie off a few hard objects. No matter - unfortunately for us, it was all a game - AMG Wintersporting Drift Competition. It's the latest way to amuse yourself at the 9 to 5 using your company's network bandwidth, all while you pretend to focu

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