Small business owners may use their personal vehicles for business driving. In order to deduct the cost of business driving, you need to substantiate business use of the vehicle.
Barbara Weltman is the Tax Columnist for Small Business Trends. Barbara is an author, attorney and a leading authority on tax, law, and finance for small business. She publishes an "Idea of the Day®" and monthly e-newsletter at "Big Ideas for Small Business®" and is a trusted professional advocate for small businesses and entrepreneurs. She has written over 25 books, including perennial top sellers, "J.K. Lasser's Small Business Taxes" and "J.K. Lasser’s 1001 Deductions & Tax Breaks," along with her latest books, “Guide to Self-Employment” and “Smooth Failing,” and is a blogger for SBA.gov, Entrepreneur, and AmEx OPEN.