The Paris Motor Show opens amid a war on cars

For a few fleeting hours last weekend, central Paris was devoid of all cars. Cyclists and pedestrians filled wide Haussmannian boulevards on Sunday afternoon, as they did around this time last year, as part of a municipal campaign for a cleaner, less noisy French capital. But cars will reclaim the spotlight this weekend at the Paris Motor Show, where many automakers are striking a notably different tune than in years past.There are big reveals planned for this year’s show, including new mo