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Hybrid cars offer tax incentives. Learn more about hybrid tax credits at HowStuffWorks.

Street sweepers have been around for more than a century keeping our roads clean. Learn the history of street sweepers and what they're like today.

Electric car conversion kits are growing in popularity. Learn more about electric car conversion kits at HowStuffWorks.

Plastic bags can be more than recycled or thrown away. Check out these 5 unusual uses for plastic bags to learn some crafty ways to reuse plastic.

Anti-aging lip products are becoming more and more popular. Visit HowStuffWorks to learn all about anti-aging lip products.

Carboxytherapy is a popular skin treatment. Visit HowStuffWorks to learn all about Carboxytherapy.

These top myths about Twitter help uncover the real facts about this social networking site. See myths about Twitter and get informed.

Ways to work out during holidays are hard to come by. Check out these 10 ways to squeeze in a workout during the holidays.

The BMW X6 ActiveHybrid concept blurs the line between SUV, hatchback and sports car. Read about the BMW X6 ActiveHybrid car.

Dirt stock car racing is not as fast as racing at a speedway, but it's very exciting. Learn all about dirt stock car racing at HowStuffWorks.

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