This week at Treehugger: Hyundai unveils its new 2006 Accent hybrid, possibly the first hybrid below $15k (open the floodgates!), a look at how GM keeps its greener cars out of North-America and the Opel Meriva, the CLEVER car (pictured above) is undergoing crash tests, the EcoMobile is a sweet $80k+ ride designed by a former airline pilot, and the super-fast Audi R8 wins the first Le Mans Enviro Prize for its low fuel consumption and low engine noise.