For those eager to jump on the next new thing in holiday decorations--better check your insurance policy first.

Reindeer antlers and Rudolph’s nose create about a 1-mile-per-gallon decrease in highway fuel efficiency and a 3% increase in drag coefficient — commonly understood as air resistance. • Bow .

We've taken fake, lacquered-up eyelashes about as far as they can go on our faces, and given the popularity of those reindeer ears for cars over the holidays, this seems like a natural progression.

Road users may wish to stick a range of items on their car from reindeer ears, garlands, wreaths and even simple ornaments. But experts at Compare the Market warn installing decorations and ...