Is the driving service a big source of pollution?

Jean-François CLICHE LE SUNPARTAGER Science on a daily basis / "I see a high number of cars that make the queue at lunchtime, dinners, dinners and coffee breaks at different car services, a bitall over...These cars are arrested, but most engines are running!How many tons of greenhouse gases (GHG) are generated each year in Quebec by car services?Has anyone already looked at it? "Asks Michel Bérubé, from Saint-Lambert-de-lauzon.