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The high growth rate for new vehicle sales and the turnover rates of stock being slowed down.

The sales of new vehicles have been raised because it is far from the ownership of the current values of the car than the saturation levels compared to any of the developed countries.

In Organization for Economic Co-operation and Development (OECD) countries, projected an annual average growth rate of 1.2%/year, between 2002 and 2030 and got values between 4.4 and 6.1%/year for many South American countries.

In the second challenge, for the US, the vehicle service life is expected to be 16.9 years and a life of 120,000 miles (ca. 193,121 km) to a useful way of life as compared to the lifetime expected for a vehicle in Colombia is 26.1 years with respect to 365,817.6 Km. In the future, an oil gasoline-fueled vehicle is difficult to survive in order to prevent more efficient vehicles to be deployed.

But nevertheless, in order to control CO₂ emissions from the Colombian passenger car fleet, conventional and lightweight BEVs are looking at the option more promising. The effect of Lightweight is small as compared to any of the changes made in powertrain and fuel substitution.

It is expected that the CO₂ emissions in 2050 are going to be larger and in the future to control the CO₂ emission through lightweight cars is going to contribute less.

Source- Energy use and CO₂ emissions reduction potential in passenger car fleet using zero-emission vehicles and lightweight materials by Juan C. González Palencia et al.