Stricter emission guidelines are leading to an increase in EVAP-related check engine lights and service opportunities.

Vehicle emissions testing at a consumer level seems -- at least from a vehicle owner's standpoint -- like a reasonably straightforward process. You drive your car to the testing facility, and if it's ...

SAE Transactions, Vol. 109, Section 4: JOURNAL OF FUELS AND LUBRICANTS (2000), pp. 3031-3045 (15 pages) Real-time evaporative emissions test data were obtained for thirty-six 1977 to 1989 model year ...