CNG (gasị ikuku) - Autorubic

Mbiri nke CNG (Compressed Natural Gas) na-ezobe okwu ahụ bụ gas eke abịakọrọ. CNG bụ mmanụ hydrocarbon, ihe bụ isi ya bụ methane (80-98% site na olu). A na-eji mmanụ eme ihe nke ukwuu. Dị ka pasent nke methane si dị, a na-ekewa gas sitere n'okike ụzọ abụọ: elu (87-99% methane) na ala (80-87% methane). A na-eji CNG dị elu dị elu n'ọdụ ụgbọ ala n'ihi ike ọkụ dị elu nke combustion. N'ihi na a na-eche na nchekwa ikuku gas karịrị okpukpu abụọ nke mmanụ, ọ dị ọnụ ala, nwere ogo octane dị elu, yana ọkwa dị ala nke mmetọ gas na-ekpochapụ (CO) ma e jiri ya tụnyere mmanụ dizel ma ọ bụ mmanụ ụgbọala.₂ ọ dịghị_x 25% na ọdịnaya CO ruo 50%), enwere ike ịkọwa ya dị ka gburugburu ebe obibi na mmanụ ọkụ na -ekwe nkwa.

Ogwe ngwongwo belatara n'ihi ọnọdụ nke tankị LNG, yana obere netwọkụ nke ụlọ ọrụ ndozi, na -egbochi mgbasawanye dị ukwuu. A na -egosi oriri ụgbọ ala gas na kilogram kwa kilomita 100, ebe ụgbọ ala ndị dịka Renault Scenic, Fiat Doblo ma ọ bụ VW Passat, nke agbanwerela n'ụlọ ọrụ maka draịvụ a, nkezi gas dị n'etiti 5 na 8 n'arọ.. . maka 100 km.