Easily track your vehicle's mileage and save on taxes or expenses with these top 10 apps, perfect for business owners and ...

The Fuel Genie ($89.95 plus $13 for shipping) is a plastic device with curved blades that fits inside the air-intake hose. It promises more power and better gas mileage. The airflow is supposed to ...

Motus, which is backed by Permira and Thoma Bravo, has acquired Everlance, a San Francisco-based provider of mileage and expense tracking solutions for small businesses, teams and sole proprietors.