General Motors Corp. will unveil a hydrogen fuel-cell-powered Cadillac crossover concept vehicle at the Consumer Electronics Show in Las Vegas on Tuesday.

GM envisions the five-passenger Provoq going 300 miles on a single fill-up of hydrogen, getting 280 miles from hydrogen power and 20 miles from batteries.

It would go from zero to 60 mph in 8.5 seconds and have a top speed of 100 mph.

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The aerodynamic Provoq's hydrogen fuel cell would charge lithium-ion batteries to power one electric motor for the front wheels and another for the rear.

The vehicle could also be the basis of a replacement for the SRX, a larger crossover vehicle powered by V-8 and V-6 engines, Cadillac officials said.

The Provoq has a solar panel in its roof to power accessories such as the interior lights and audio system, the company said.

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"All the people- and cargo-carrying capability customers expect in crossovers and SUVs is available in the Provoq, along with the premium attributes expected in a Cadillac," Ed Welburn, GM's vice president of global design, said in a statement.

No date has been set to bring the Provoq to showrooms, nor has pricing been discussed, the company said.