SAN FRANCISCO — Zipping around on a motorcycle can be fun, but being in a downpour or an accident on one is not. Driving a car is safer and more comfortable, but traffic and parking can be annoying.

What if you got rid of the bad parts of both?
You might end up with something like the C-1, an electric motorcycle that looks as if it came out of the movie “Tron.” For protection, the bike is encased in a metal shell, and it is controlled like a car, with a steering wheel and foot pedals. Two big gyroscopes under the floor are designed to keep it from tipping over, even when a car hits it from the side. The C-1’s top speed is 120 miles an hour, and it can travel 200 miles on a full charge.

A small start-up called Lit Motors is developing the C-1 in a three-story warehouse here. Its 33-year-old chief executive, Daniel Kim, was tinkering with a biodiesel sport utility vehicle eight years ago when a 500-pound chassis nearly crushed him. The experience got him thinking about cutting out the bulk.

“Most people drive alone,” Mr. Kim said in an interview. “Why not cut the car in half? I was really into bicycles at that time and I thought, Why can’t we have the efficiency of a bicycle and motorcycle but all the amenities of a car?”
been a dream among environmentalists and technologists, but companies have found it hard to deliver affordable and practical vehicles to the mass market. One of the biggest names in this field is Tesla Motors, which makes expensive sports cars and has had trouble increasing manufacturing.

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But Lit Motors, which has just 10 people on staff, thinks it can bring the benefits of an electric vehicle even to those who aren’t rich. Mr. Kim says his motorcycle will be money-saving, safe to drive and simple to build.
“He’s got some clever ideas, and it really comes down to questions that all these companies face, and that is can they find a market for the product, and can they actually do the manufacturing in an efficient and effective way?” Dr. Sperling said.

Still, he said he was optimistic about the company’s chances.

“There are people who want to do something to save the world, make a contribution to it, do something both in terms of energy and climate,” he said. “If it’s cool and good for the world, you’ve got a winner.”