Larry Moulthroup of Proton Energy Systems in Connecticut, which lent me my fuel-cell ToyotaHighlander, offers some thoughts on how the water car might work.
These include the coming Lexus RX330 and ToyotaHighlander from Toyota, the Acura MDX and Honda Pilot from Honda, and the Infiniti FX35 and Nissan Murano from Nissan.
These include the family friendly ToyotaHighlander crossover SUV, the budget-minded Yaris subcompact and the fuel-sipping Prius hybrid hatchback, along with the upscale Lexus ES 350 sedan and RX 350 crossover.