And some are doing both: Nissan has formed a joint venture with NEC to produce advanced Li-ion batteries that use a laminated structure to improve cooling.

ECONOMIST: The electrification of motoring

And he has a decent foreign-policy record, from taking France back into NATO's military structure to his intervention in the 2008 Russian-Georgian war and his joint leadership of the campaign against Libya.

ECONOMIST: France��s presidential election: The anti-Sarkozy vote | The