California’s war on cars knows no bounds, which is far out of step for the state that launched America’s car culture. While policymakers haven’t yet outlawed the classics, their failure to act responsibly has added to the burden of owning them. Famous classic collector Jay Leno aims to change this. There are almost 36 million vehicles registered in California, according to the Department of Motor Vehicles. While the number of classic cars is difficult to determine, Sen. Shannon Grove says there are 320,000 automobiles made from 1976 to 1991 in the state. That’s an almost imperceptibly thin slice, less than...