Here's proof that green-design can be kick-butt cool. With four motorcycle batteries and a fuel tank from an F-4 jet, retired mechanic Robert Lange has made one sick dragster. Check out these electric wheels in action.; design; diy rally; electric cars; green; Pat Delany transformed two old car-engine blocks and a bunch of other castaway auto and machine parts into a mini machine shop.; diy rally; Popular Mechanics; drill press; end mill; grinder; horizontal mill; Lathe; multimachine; Sander; sheetmetal spinner; Nathan Moore spent 2 years and $15,000 to develop a hands-off, slow-cooking oven that can now be built for $4,000. ; automation; bbq; cooking; diy; oven; Michael Killian spent 10 days and $100 to build his sideways bike. Like a skateboard, the sideways bike positions the rider perpendicular to the direction of travel.; diy rally; Popular Mechanics; bikes; sideways bike; transportation; Two weekends and $78 resulted in a heavy-artillery version of a spud gun--and a neighborhood full of envious kids for engineer Bill LLewellin. ; diy rally; Popular Mechanics; air gun; diy; spud gun; David Southall took 8 days and $900 to build this monowheel based on a 1924 circus design. It works like a ball bearing--anchored by the weight of the engine and driver, the inner wheel stays upright while the outer loop, propelled by a 90cc engine r; Popular Mechanics; auto; diy rally; monowheel; David Hubbard converted a used 1986 BMW R80RT motorcycle into an eco-friendly touring bike whose fuel costs 65 centes a gallon--labor not included. Total materials cost was $8500.; biodiesel; bmw; diy rally; green; motorcycles; Popular Mechanics; Dodge Charger Police Package: Doing Donuts, Not Eating Them; Dodge Charger; Popular Mechanics; cars; California Governor Arnold Schwarzenegger embraces alternative fuel vehicles.; Arnold Schwarzenegger; California; LA Auto Show; Popular Mechanics; cars; We test drive Quantum Technologies' turbocharged hydrogen powered Prius.; LA Auto Show; Los Angeles Auto Show; Popular Mechanics; Toyota; cars; fuel cells; Ben Stewart interviews Nissan VP Larry Dominique about the new Nissan Sentra SER.; LA Auto Show; Los Angeles Auto Show; Nissan Sentra; Popular Mechanics; cars; nissan; sentra; Mazda unveils their Nagare concept car at the L.A. Auto Show.; LA Auto Show; Los Angeles; Los Angeles Auto Show; cars; mazda; Ben Chertoff interviews Jay Leno at the 2006 SEMA Show in Las Vegas at the unveiling of GM's new eco-friendly jet-powered supercar concept.; Jay Leno; cars; mid-engine; racing; Phoenix Motorcars and Altairnano displayed their 95-mph battery powered SUV at SEMA 2006. PM caught up with the builders.; Hybrid Vehicles; cars; fuel cells; We test three handheld cordless vacs to find which sucks the least ¿ and the most.; Popular Mechanics; testing; vacuums; PM takes a look at Sunbeam's new Rocket Grill.; Popular Mechanics; cooking; Six editors, one hatchet and a tank of liquid nitrogen. Let the pumpkin carving begin!; NASA tests the X-43A, a precursor to the X-51, a missile capable of travel at Mach 10.; NASA; War; X-51; air force; missile; The lastest videos from Popular Mechanics, covering new cars and trucks, technology, science, adventure, home improvement, how-to and news, straight from the editors, writers and sources. http://link.brightcove.com/services/link/bcpid377000833http://www.brightcove.com/channel.jsp?channel=212469179