(If your techno-terror eventually subsides, you can insert a Compact Flash card for even more on-board storage.)

The device also boasts an 8-megapixel snapper and comes complete with 16 GB of on-board storage.

It is as quiet as a kettle and produces no more emissions, but questions remain over the hydrogen infrastructure and particularly the high cost of on-board storage.

This version has 16 GB of on-board storage.

This version has 8 GB of on-board storage and was released in Asia and North America.

This device features 32 GB of on-board storage, measures 9.47 mm thick and features a 1850 mAh battery.

The hydrogen economy as a low-carbon solution to land transport has problems in generation, distribution (infrastructure), on-board storage and cost of power converter (fuel cell).

Batteries, electric double-layer capacitors and flywheel energy storage are forms of rechargeable on-board electrical storage.

But can there be enough on-board storage to give a fuel-cell car the 300-mile range before refueling of a conventional car?

Figured the lack of an SD card slot was somewhat recompenced by the ginormous amount of on-board storage.