MOST DRIVERS PUMP OWN GAS Scripps Howard News Service Amoco researchers report 80 percent of motorists now pump their own gas. That's up 6 percent from 1984 and 58 percent from 1975. Westerners lead the way - 94 percent in Utah; 93 percent in Colorado and Nevada; 92 percent in New Mexico and Texas; and 91 percent in California, Montana and Washington. Full service is doing best in Massachusetts, where only 52 percent of motorists fill their own tanks, Maine, 53 percent, and New York and Vermont, 59 percent. Self-serve is illegal in New Jersey and Oregon. Published: February 16, 1989 12:00 am + Leave a comment Add a comment Like that? Read this. Utah Dec. 21, 2017 Quiz: How much do you really know about Utah colleges in bowl games?