Tesla Making Patents ‘Open Source’ to Boost Electric Cars

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Elon Musk, Tesla Motors Inc.’s outspoken co-founder, said patents for the maker of Model S electric cars will be “open source” and available at no charge as it seeks to expand adoption of battery-powered autos.

The carmaker will provide access to all the “several hundred” patents it has filed and won’t sue those who use them in “good faith,” Musk said today on a conference call. At Tesla’s June 3 annual meeting, he said too few automakers offer “serious” electric vehicles and pledged to do something about it.