Filed under: Emerging Technologies , Mazda One of the keys to cutting vehicle emissions over the past 40 years, aside from electronic engine management systems, has been the catalytic converter. Unfortunately, catalytic converters are expensive due to the fact that precious metals such as platinum and rhodium have to be used to trigger the reactions that transform the noxious emissions from the engine into something less harmful. Traditional converter manufacturing methods use base material coated with the catalyst

Car Blog Greenthe original here:
New Mazda3 catalytic converter cuts precious metal use by 70%