Few people that are ripping around the streets in today’s gas guzzlers will remember wood-powered cars, but if things continue the way they are, they may be lucky enough to see one pull up next to them at the light. Wood-powered cars are starting to pop up again as yet another means of









At the spinning heart of the modern electric grid lies what used to be called the dynamo a generator composed of stacks of copper rotating in an electromagnetic field. But it's a turbine that spins the dynamo and efforts to squeeze more efficiency and

