Therefore, defining the liquid "leaker" vehicles to be those with total HC emissions of at least 50 grams (on such a test) seems to be a reasonable approach.
(defining the liquid "leaker" vehicles to be those with total HC emissions of at least 50 grams (on such a test; seems; )
defining the liquid "leaker" vehicles to be those with total HC emissions of at least 50 grams (on such a test
seems