Today scooter engines, tomorrow the world

An estimated 50 million two-stroke scooter and motorcycle engines in Asia emit as much pollution as 2.5 billion cars – more cars than there are on the entire planet.

The idea of reducing the emissions of those small engines enough to make a difference in some of the most populated cities in the world is daunting.

But a Fort Collins-based company is trying to do just that, one vehicle at a time.

By this summer, Envirofit International, a venture that started as a nonprofit company in 2003, expects to complete the construction of an installation and service center in Vigan,…