Found this, albeit from the Daily Mail. so it could be total rubbish.
THE ALL-ELECTRIC SEMI-TRUCK
The entrepreneur has teased the trucking industry with the prospect of a battery-powered heavy-duty vehicle.
Tesla hopes that such a vehicle could compete with conventional diesels, which can travel up to 1,000 miles on a single tank of fuel.
Tesla's electric big-rig truck could have a working range of 200 to 300 miles to compete with more conventional diesels.
Read more:
Tesla will unveil all-electric semi truck on October 26 | Daily Mail Online
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