scott shafer narrates our story. >> like most people, bill holloway commutes to work, driving 75 miles from his home in alameda, california. but then again, most people don't make their commute in a hydrogen fuel cell vehicle. >> i drive a very rare car. there's only a handful on lease here in northern california. >> this rare car uses hydrogen instead of gasoline and emits only water vapor instead of harmful pollution. >> the economy of this mercedes is great. i average 58 miles per kilogram of hydrogen, the same as 58 miles in gas. i picked the hydrogen car because i was able to drive one of the early models and i'm kind of a geek. >> carmakers have spent more than a decade and invested billions to develop the technology. catherine dunwoody, executive director of the california fuel cell partnership, thinks that investment is about to pay off. >> having been involved in this now for 15 years and seeing the evolution of the technology, you know, these guys are serious. they really see the fuel cell vehicle as the future of automotive technology. >> in 2014, hyundai will release a new

scott shafer leads our analysis of what the party faces as it gears up for november. >> in many ways,t's the best of times for california democrats. the party holds both u.s. senate seats and every statewide office from governor on down, while the republican party struggles to rebrand itself. still, there's plenty for democrats to worry about, starting with political scandals that have cost them their two-thirds majority in the state senate. joining me to discuss what challenges may be ahead are democratic strategist chris lehane and scott detrow, sacramento bureau chief for kqed joining us from los angeles, where he's covering the convention. and scott, let me start with you. what impact are these scandals, including the investigation of senator ronald caldron of southern california, what impact are they having on democrats, if any? >> i think democrats are definitely concerned about this, and you know that because state senate leaders announced a big ethics reform package this week that would half the amount of gifts lawmakers can receive and lead to more disclosure, and this is cle