The drivers who consumed caffeine to keep them from nodding off behind the wheel were 63% less likely to crash than drivers who had no caffeine.

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Historically, it has focused on rear-wheel-drive powertrains, which are great for performance and driving dynamics, but less efficient than front-wheel drive.

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Standard features include leatherette seating, a 7-inch LED color-touch radio display, automatic climate control, remote start, power windows, steering wheel radio controls and no less than 10 air bags.

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This created a significant amount of downforce and extra grip, meaning the cars cornered like they were on rails and the drivers got less feedback through the steering wheel.

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For four inches or less, your best option is a front-wheel-drive vehicle with snow tires, which will offer better fuel economy on milder days.

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The bill contains other less controversial clauses on domestic violence, gangs, cowboy wheel clampers, unauthorised possession of mobile phones in prisons, compensating UK victims of overseas terrorism, controls on air weapons and restrictions on all-night drinking.

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The mighty 12 is backed up by an eight-speed transmission and Audi's Quattro all-wheel drive system (with electrically locking front and rear differentials, no less).

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Also, although it has a bit less cabin volume than the Hummer, that's only if you remove the giant spare wheel and tire from the cabin of the H2.

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