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Audi debuts hydrogen-fueled electric A7 in Los Angeles (pictures)

The Audi A7 h-tron was a surprise addition to the 2014 Los Angeles auto show, demonstrating the work Audi has been doing with fuel cell technology.

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Wayne Cunningham
Audi A7 h-tron
1 of 11 Wayne Cunningham/CNET

Audi showed off its A7 h-tron, a new fuel cell development vehicle, at the 2014 Los Angeles auto show.

Audi A7 h-tron
2 of 11 Wayne Cunningham/CNET

The A7 h-tron represents one of several efforts by Audi to develop a zero emission vehicle. The car uses a unique mix of lithium-ion battery and electricity-generating fuel cell.

Audi A7 h-tron
3 of 11 Wayne Cunningham/CNET

A lithium-ion battery pack and four hydrogen tanks packaged in the car feeding a fuel cell stack power electric motors at the front and rear wheels.

Audi A7 h-tron
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The right rear fender holds a hydrogen filler for the car's 5 kilogram hydrogen tank capacity.

Audi A7 h-tron
5 of 11 Wayne Cunningham/CNET

The left rear fender has a J1772 electric charging port, connected to the car's 8.8 kilowatt-hour lithium-ion battery pack.

Audi A7 h-tron
6 of 11 Wayne Cunningham/CNET

Audi offered rides at the show to demonstrate the car's practicality.

Audi A7 h-tron
7 of 11 Wayne Cunningham/CNET

The cabin retains much of what you would expect from an A7.

Audi A7 h-tron
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Audi places a power gauge on the left of the instrument cluster.

Audi A7 h-tron
9 of 11 Wayne Cunningham/CNET

With electric motors at the front and rear wheels, the A7 h-tron doesn't need a traditional gear box. This shifter on the console selects the drive mode.

Audi A7 h-tron
10 of 11 Wayne Cunningham/CNET

Audi implemented special screens to monitor the drivetrain performance, showing when power is regenerating, coming from the battery or generated by the fuel cell.

Audi A7 h-tron
11 of 11 Wayne Cunningham/CNET

This consumption graph gives a rough idea of remaining hydrogen and battery power.

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