While this year's Tokyo Motor Show was smaller than in past years due to the economy, several new cars were introduced that will be heading to U.S. soil. All the notable entries targeted fuel efficiency with one exception -- a new supercar from Lexus. Here's a quick overview.

Honda unveiled another version of its CR-Z concept car, a hybrid coupe that will arrive in the U.S. next year. An updated version of Honda's CRX that was popular in the 1990s, the CR-Z will be a performance-minded two-seater. It will be powered by a 1.5-liter, four-cylinder engine, a slightly larger version of the engine in the new Insight, and paired with Honda's hybrid system to improve performance and fuel economy.

Subaru also showed its interest in hybrids with an all-wheel-drive hybrid car. The company said it will offer its first hybrid in one of its current models, beginning in 2012, according to industry magazine Automotive News.
With an eye on inexpensive, fuel-efficient small cars, Nissan says it would offer a new small car in the U.S. that would be priced below the Nissan Versa, which starts at $9,990. The new vehicle will be a replacement for its subcompact Micra, which is sold overseas.

Honda, which has previously said it would not consider building electric cars, also indicated at the show that it is considering launching electrics in the U.S. as an interim step on the road to fuel-cell vehicles. Several automakers are working on putting electric vehicles into production, including Mitsubishi, which showed its PX-MiEV concept car, a plug-in hybrid that primarily runs on electric power, but has a gasoline engine that can either act as a generator for the motors or provide extra power when needed.
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