If you're looking for an eco-friendly ride that will be as easy on your wallet as it is on the environment, you might just want to consider shopping Honda. Already, the Japanese automaker offers five hybrid- and alternative-fuel-powered cars, including the Honda CR-Z Sport Hybrid, Honda Insight Hybrid, Honda Civic Hybrid Sedan, Honda Natural Gas-Powered Civic and FCX Clarity. And, judging by their showing at Frankfurt, earlier this month, it looks like they might?