We love vehicles with tires made from metal mesh. And, hey, the Lunar Rover was electric-powered, so it's eco-friendly (though for that real green feeling you might want to replace the batteries with rechargeable units). The link below takes you to a super-cool panorama of the Apollo 16 landing site, featuring the Lunar Rover in all its moon-buggy glory (the QuickTime plugin must be installed/enabled in your browser for this site to work).
Apollo 16 [panoramas.dk]
NASA to Establish Moon Base, Moonage Planned by 2024 [internal]