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Koenigsegg's craziest supercar yet debuts at Geneva

Here's what you need to know about the Koenigsegg One:1. It weighs 1,360 kilograms; it produces 1,360 hp. One horsepower per kilogram, which is why mad scientist Christian Von Koenigsegg is absolutely justified in bragging about it: it's the world's first "mega car," he said.

Flower Power: Ford considers using dandelions to grow its green efforts

When most people see dandelions, they go for the weed killer. Ford goes for the fertilizer. The dandelion is a sustainable material being looked at for its use in cars--specifically, the rubberlike substance that the Russian breed of the plant secretes.

One Lap of the Web: Mock the Week Edition

-- Mazda Europe designer Peter Birthwhistle talks about the future of Mazda: potential hybrid and electric powertrains for the Skyactiv-obsessed company, and how we'll all be driving Mazda-branded pods in the 22nd century. But he also mentions, rather interestingly, how certain Mazdas capture a quintessentially long-hood, RWD look -- and not just the Miata, either, which is RWD. No, it's the exhaust systems on those Skyactiv engines that force a longer, larger hood compartment, and the "long, flowing looks" not usually found on FWD engines.