California needs to quicken efforts to replace the gas tax

California’s highways and bridges need repair, maintenance and expansion, but the state’s gas tax revenue is falling and is projected to drop significantly. While the gas tax has been reliable for many decades, it is increasingly unsustainable and needs to be replaced.

Today’s cars and trucks use less fuel, which reduces the state’s gas tax revenue. Most internal combustion engine vehicles— still representing most vehicles on the road today— drive further on a gallon of gas. For example...