Following on the heels of the GS 450h hybrid's launch in Japan, Toyota North America announced Friday that it expects a Super Ultra-Low Emission Vehicle (SULEV)/Tier2-BIN 3 emissions rating for the big sedan. At the same time, the company announced the EPA-certified mileage figures for the GS 450h - a combined rating of 26 mpg, with 25 mpg city and 28 mpg highway.

Lexus says the GS 450h has 80 percent fewer smog-related emissions than the average new car, and delivers 28 percent better fuel efficiency than its V8 competitors, while providing performance equal to or better than every V8 competitor in its class. (The U.S. version claims a 0-60 time of about 5.2 seconds.)

The GS 450h should appear at U.S. Lexus dealers in May, with a $54,900 sticker.

[Source: Toyota North America]