For over 12 years, Clean Air Technologies International, Inc. (CATI) has been specializing in
real-world vehicle and engine emissions measurement. CATI designs and manufactures the
industry's most compact and powerful portable emissions measurement system (PEMS). CATI
also provides full consulting services for customers that only require one-time vehicle emission
data or have a limited budget.

With over 3 decades of collective experience with any vehicle, from compact cars to large diesel
vehicles including, but not limited to, buses, locomotives, construction equipment, and marine
vessels, CATI has become a leader in emissions testing. Consulting services have been
developed for yard equipment, all-terrain vehicles, motorcycles, mopeds, generators, forklifts,
and any other machinery powered by internal combustion engines.

CATI PEMS equipment is capable of testing emissions during regular vehicle operation with no
disruption to vehicle schedule, service, or route.