California’s governor and legislative leaders on Wednesday proposed raising $52 billion to fix the state’s roads through a big gasoline tax increase, higher car registration fees and a charge on emission-free vehicles. The 10-year plan would boost gasoline excise taxes for the first time in more than two decades, raising them 12 cents per gallon — a 43 percent increase. The tax would rise automatically with inflation. For the first time, owners of zero emission vehicles would pay a $100 annual fee because they use public roads but don’t pay gasoline taxes that fund highway maintenance. The plan also includes...