NEW YORK - For many baby boomers, the purr of a vintage hot rod’s engine is music to the ears. And for those who are auto restorers and investors, it also sounds like money in the bank. Today, the collector-car industry is worth an estimated $20 billion per year, according to Kelley Blue Book (KBB). With aging baby boomers fueling the market for beloved convertibles and muscle cars, the industry has grown at a rate of 20% over the past five years -- a rate that KBB expects to continue for the next 10. Full Story - Discount Magazine Subscription Specials - Discount Cigarettes & Tobacco - Motorcycle Superstore