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expand Vince Bucci / Getty Images Powering Up: Musk hopes to bring electric cars to the masses ENERGY A Tesla In Your Future? PayPal's cofounder hopes to produce a practical $30,000 all-electric car in four years.
Fareed Zakaria spoke to Musk about the future of transportation in an oil-constrained world. Excerpts: Zakaria: What's your goal in producing the Tesla Roadster? Musk: This car itself is not going to change the world--it's a $100,000 sports car being produced in quantities of about 1,800 a year. Where it really becomes meaningful is when we produce the next models, which will be lower-cost and higher-volume. Our second product is a sedan that is about half the price and will be produced in late 2010 in 20,000 units a year. As a rough rule of thumb, when you increase the production quantity by a factor of 10, you can reduce the price by a factor of two. In the early 20th century, cars were initially something for wealthy people. It took quite some time for the cost to be optimized and become accessible to a broader population.
We're trying to push it as fast as we possibly can, and we think we could either directly or in partnership with a major auto company actually get to a car that is under $30,000 in four years. Your car runs exclusively on electricity, but GM and Toyota are working on so-called plug-in hybrids, which also feature a gas tank to extend the range. We spent a lot of time last year looking at plug-in hybrids and ultimately concluded that it would not be a very good car. Because you need both a gasoline-powered engine and a big battery, neither can be very good, and the engine will be a weak engine. We'll be able to offer a car with a 305-mile range roughly three years from now.
There is the occasional road trip, but that's actually pretty rare, and for some people it's never. Our second model will address that rare case in two ways. One is to allow people to switch out the battery pack, so you can go to a battery-change station just like you'd go to a gas station. If you have a high-powered onboard charger, you can get an 80 percent charge in 45 minutes.
San Francisco, which is about a 400-mile trip, you can drive 200 miles, stop for lunch, charge your car in the restaurant parking lot, finish lunch and continue the remaining 200 miles to San Francisco. What is your solution to the problem of needing a large or heavy battery in order to store a lot of energy? I think what we'll see is an increasing amount of energy being stored in the battery pack and a lowering of the cost of the battery pack over time. The efficiency of the electric motor, the efficiency of the powertrain, the rolling resistance are all important. Why is it so difficult to make a battery that can hold a huge charge for lots of time? I think engineering is harder than physics, and I'm a physics guy. If you look at the improvement of battery energy density, it tracks to about 8 or 9 percent a year.
AND THE 1967 WAR W/ISRAEL WOULD PROBABLY TELL HOW SCARY THEM MOUNTING AN OFFENSIVE AGAINST US WOULD BE! With a solarcity panel on your roof you can make enough electricity to power your electric car.
Submit a Question to Fareed Zakaria Worried about high gas prices? Submit your questions about the future of energy to Fareed Zakaria. He'll use the best reader submissions in future interviews with experts on American energy policy and alternative fuels. The Oil Man with a Plan 7/10/08: NEWSWEEK business and technology editors met with Texas oil magnate T Boone Pickens to discuss his plan for fighting America's dependency on foreign oil.
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