TEM18G is the first "ecological" Russian shunting diesel-electric locomotive,  using the natural gas as fuel. Produced by the joint-stock company "Bryansk Engineering Works" (BMZ). Technical data is like TEM18 diesel locomotive.
In August, 28, 1997  BMZ presented the first unit of TEM18G. Using  the natural gas, the railways can to decrease the costs of the fuel, and to save the air clean.
At photo: the presentation of TEM18G;  the Bryansk Governor Jury Lodkin, the General Director  of BMZ Alexey Kapustin and the Speaker of Regional  Parliament  Stepan Ponasov  meets the new-born.

Photo by Alexander Shkrob. Scan by Oleg Izmerov.