This week at TreeHugger: Using the same alluring tilting technology seen in the Carver, the VentureOne puts a different slant on things with the addition of plug-in hybrid and pure electric power trains. Tom Hanks takes possession of AC Propulsions first eBox, their all-electric retrofit of the cubist Scion XB. London's famous congestion charge is spreading, and while it is indeed spurring the sale of hybrid cars, not everyone is too pleased with its migration. Argentina passes some legislation to make biodiesel a bigger part of the country's fuel diet, cutting out yet more foreign oil and making its farmers happier.

[TreeHugger's Perspective Shift roundup appears every Wednesday]