Quick Facts

Riding public transit is an important way to reduce air pollution from motor vehicles.
Two buses can carry as many people as 83 cars with emissions close to one-quarter the level of cars.
A three-car C-Train is capable of carrying over 600 passengers or the equivalent of 545 private vehicles.
Use of Calgary Transit reduces annual vehicle emissions by about 150,000 tonnes of CO2 and other greenhouse gases.

Vehicles older than 1988 models produce 20 times more hydrocarbon emissions than a 1994 vehicle, 65 times more hydrocarbon emissions than a 2001 vehicle and 100 times more hydrocarbon emissions than a transit bus on a passenger per kilometre basis.
In Calgary, 10 per cent of vehicles produce 50 per cent of the overall vehicle emissions.
The first major leap in emission reduction equipment came in 1988 with further improvements following in 1994 and 2001. Emission standards will drop another 70% from 2001 levels when the 2004 model vehicles are introduced into the market.
There is a very significant drop in emissions contribution for 1988 and newer vehicles.
There are over 80,000 pre-1988 vehicles registered in Calgary.

New vehicles, 1994 and newer emit much less pollution and emission levels that are very close to their original manufactured specification. This is due in part to the fact that starting in 1994 vehicles manufacturers have had to warranty their vehicle emissions performance for 160,000 kilometres.
Following the manufacturers’ recommended maintenance guidelines significantly reduces the amount of emissions, extends the life of your vehicles and optimizes fuel economy.