I recently had a chance to ride along in a Mazda RX-8 Hydrogen RE at Eco-Products 2008 in Japan — a green event held for three days in Tokyo.

Mazda RX-8 Hydrogen RE and Mercedes-Benz Smart on road.

Several green vehicles were on hand at the event for visitors to take on approximately 10 minute rides. The cars you could pick from were: the Toyota FCHV-adv (fuel cell), the Nissan Clean Diesel X-TRAIL 20GT, the Subaru Plug-in Stella Concept (EV), the Audi Cabriolet A4 S-line 3.0 TDI (Diesel), the Mazda RX-8 Hydrogen RE, the Mitsubishi i MiEV (EV), the Mercedes-Benz Smart, and the Velotaxi.

I chose the Mazda RX-8 Hydrogen RE because I thought sitting in that type of car must be a very rare opportunity. I also wanted an up close real-world experience with a car that uses a rotary engine and can switch back and forth between gasoline and hydrogen fuel.

Read more of this story »