PEMS intros on-the-road emissions testing to U.S., Europe

A newly-launched North American database for the first time provides online users with vehicle-to-vehicle comparisons of greenhouse-gas emissions and real-world fuel economy.

As the largest industry database of real-world vehicle emissions and fuel consumption, Emission Analytics' new EQUA Index (http://usa.equaindex.com) is based on a standardized test regime for vehicles fitted with a Portable Emissions Measurement System (PEMS) at the tailpipe.