Are you ready to ride the hydrogen highway? Hydrogen-powered vehicles aren’t ready to challenge the hybrid, but they do actually exist, and you don’t have to go to Detroit to find them. The California Fuel Cell Partnership in West Sacramento offers free tours of its facility on the fourth Friday of every month (next opportunity is March 23). They’re held between 1 and 3 p.m., so most people would have to slide out of work to check it out. Fridays not so good? Don’t worry–there’s going to be an open house on Saturday April 21 from 11-3. You can find out more about tours on their events page.