Inspection stations would measure emissions while a vehicle operated with wheels turning.
The database has given communities a tool to measure and fight toxic emissions.
The new requirements call for the use of sophisticated, expensive computer equipment to measure and record emissions during simulated driving conditions.
The program uses a relatively new process that measures otoacoustic emissions, which are low-level, inaudible sounds produced spontaneously by the inner ear.
He hoped that by the end of the day tomorrow he'd have some way toreally measure emissions.
Using different base years for measuring emissions has an effect on estimates of national contributions to global warming.
Each smokestack or other major source of pollution will be wired with sensors or tracking devices to measure emissions on a continuing basis.
It does actually make a difference whether we measure emissions from a pipe or in a butterfly net a kilometre away.
The exact amount is unknown because the obligations for measuring emissions are very basic.
Inspect, at least every month, your emissions to air and your equipment for measuring emissions.