The first bicycles were powered by humans.
are gas powered bicycles legal in California see this doc; http://bit.ly/cZx9kz
They are all human powered.
well most obviously a bicycle is not powered by an engine and a motorcycle is.
Bicycles are powered by legs, however dirt bikes have gasoline powered motor!
BICYCLES : two-wheeled conveyances, usually human-powered using pedals.
For human-powered bicycles - no. But some sure would need it.
A magnetic powered bicycle works by using magnets to generate electricity as the wheels turn. This electricity powers a motor that assists the rider in pedaling, making it easier to ride uphill or against strong winds. The advantages of a magnetic powered bicycle over traditional bicycles include easier pedaling, increased speed, and reduced physical exertion for the rider.
The first American City to put police on bicycles was Seatle, Washington. Seatle was the also the first to have a gas station.
In the 1890s, many patents appeared around electric bicycles. Although the exact origins are unknow, Ogden Bolton Jr. was the first to get a patent on one, in 31 December 1895, for a battery-powered bicycle.
Some of the best battery-powered LED lights for bicycles on the market include the NiteRider Lumina Micro 650, Cygolite Metro Pro 1100, and Light Motion Urban 500. These lights are known for their brightness, durability, and long battery life, making them popular choices among cyclists.
they were powered by gunpowder
Human powered bikes/bicycles don't requre any permits or licenses to be ridden, but motorcycles and scooters do, if you take them into traffic.