Serving Toronto and GTA, Mega Vehicle Emission Test provides Mobile Diesel Emission Test. Based in Scarborough, we are an approved Heavy Duty Mobile Facility by the Ontario Drive Clean office. We provide Diesel Emissions Tests for your heavy duty diesel trucks, buses and fleets, at a time and location that of your convenience. Each mobile truck emissions testing takes approximately 15-20 minutes. While our main coverage area is the Greater Toronto Area, traveling to surrounding areas is also possible. Please call to have a Mega Vehicle Emission Test inspector help you get your emissions tests done on-time. We offer 20% off for multiple vehicle tests! more... See more text