Assertion: sulfur's number | /r/HasProperty | increased in saint petersburg
Facets:
value: every year
type: TEMPORAL
Source sentences:
text: In Russia, lower maximum levels of 350 ppm and 500 ppm sulfur in automotive fuel were enforced in certain areas, and Euro IV and Euro V fuel with a concentration of 50 ppm or less was available at certain fueling stations, at least in part to comply with emissions control equipment on foreign-manufactured cars and trucks, the number of which is increased every year, especially in big cities such as Moscow and Saint Petersburg.