The following cars represent the most technically advanced available.
Toyota isn't exactly pricing its first hydrogen fuel cell vehicle to move. But it does appear to be price competitive with the Tesla Model S.
The Japanese government is getting behind fuel-cell vehicles in a big way. This follows recent comments from a Toyota executive that battery-powered cars are not the future of long-range alternative fuel cars.
Volvo expects to launch its first plug-in hybrid, an SUV, in the US next year.
The Kenu Airframe features a minimal design, and clips to a vehicle's air vents for legal smartphone mounting.
The 2014 Subaru XV Crosstrek Hybrid struggles to justify its bigger price tag, as it doesn't have significant power or efficiency gains over even its non-hybrid base model and pales in comparison to other hybrid wagons.
The company known for two-wheeled, self-balancing people transporters throws another wheel into the mix.
Drivers of properly decaled, fully electric or plug-in hybrid vehicles will retain access to carpool lanes in California for a few years more.
The 2014 Honda Accord Plug-in keeps up with the competition in some ways, but the overall package lacks cohesion, and quirky features such as the right-side camera don't add much.
Pricing not available
If you have a commute under 50 miles and a place to plug the car in, the 2013 Ford C-Max Energi makes an economical and excellent commuter and family vehicle.
The push for hydrogen-powered fuel cell vehicles got an extra push from agreements by five major automakers to co-develop the technology.