"JaK has a history of making very relevant and current statements, " typically within 48 hours, Zenn told CNN.

CNN: How did Mohammed Merah become a jihadist?

Zenn said JaK's apparent claim of responsibility posted Thursday was in similar form to others posted by the group.

CNN: How did Mohammed Merah become a jihadist?

But ZENN Chief Executive Ian Clifford admits that current electric cars are still a "niche product, " and that his company has sold just 350 of the current model.

FORBES: Magazine Article

Jacob Zenn, a Jamestown Foundation analyst who has researched JaK, told CNN the group has a track record of quickly and credibly claiming responsibility for attacks in Kazakhstan since its founding in September 2011.

CNN: How did Mohammed Merah become a jihadist?

Ian Clifford, the chief executive of the Zenn Motor Company in Toronto, has done a deal with EEStor to replace the lead-acid batteries in the small, low-speed electric cars that his firm sells for urban use.

ECONOMIST: Electricity storage