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How does the color of your car affect your insurance rate?

money.howstuffworks.com/personal-finance/auto-insurance/car-color-affect-your-insurance-rate.htm

How does the color of your car affect your insurance rate? Learn how the color of your car can impact how much you pay for auto insurance.

Are there CO2 emissions from natural gas?

science.howstuffworks.com/environmental/energy/emissions-natural-gas.htm

Until recently, natural gas was thought of as one of the cleanest fossil fuels. Yet new studies say it may be worse for the ozone layer than coal -- a fuel well-known for its harmful emissions.

Grey vs. Gray: A Difference in Color or Just in Spelling?

people.howstuffworks.com/grey-vs-gray.htm

You may have noticed people sometimes interchange grey and gray, leading to confusion about which spelling is the correct one. But when it comes to using the word grey vs. gray, which one you choose comes down to your location and the specific person, place or thing you're referencing.

Are Snakes With Legs a Real Thing?

animals.howstuffworks.com/extinct-animals/snakes-with-legs.htm

Have you ever wondered if snakes used to have legs? Believe it or not, snakes didn’t always slither on the ground like they do today. In fact, once upon a time, snakes with legs really did roam Earth, and scientists have found some pretty incredible clues to prove it.

Quick Tips: Are petroleum-based face creams good for sensitive skin?

health.howstuffworks.com/skin-care/information/skin-types/quick-tips-are-petroleum-based-face-creams-good-for-sensitive-skin-.htm

Petroleum-based moisturizers are safe to use and inexpensive. But is it good for sensitive skins? Learn the pros and cons of petroleum-based moisturizers.