In 2017, the average combined CO2 emissions for a new light vehicle in Australia was 182 grams per kilometre (g/km). The average kilometres travelled was 12,100 km annually for all vehicles. This means that the average car emits approximately 2,200 kg of carbon each year and it takes 100 trees to offset the carbon emissions of 1 car annually.

Source: https://bit.ly/325F5Fq