Rick Roush Honda

Drivers in Japan have been cruising around in mini-vehicles for years. Thanks to government incentives, fuel-efficient powertrains and easy to maneuver body styles, they've been a top choice for car buyers in metropolitan areas since not long after World War II. They're a part of the "kei class" or "light automobile" class, and this year Honda is debuting one of the most spacious kei cars to ever hit the streets.

Due to strict regulations...

The new Honda CR-Z Mungen concept project has been underway for some time, getting prepped for its big reveal at the 2011 Goodwood Festival of Speed in July.

This supercharged version of CR-Z is a collaboration of Honda UK and in-house tuning shop Mugen Euro. The team combines a 1.5-liter i-VTEC engine with a supercharger and Honda's IMA system. Exact power output of the supercharged hybrid engine is still unknown, but rumors have