Transport operator EMT in the Spanish capital Madrid with its around 3.2 million inhabitants is a long-time user of alternative drives in its buses. The focus of its alternative drives will be the gas engine. So far, the use of natural-gas vehicles has made it possible to cut emissions by over 80 per cent. With its order of 82 Mercedes-Benz Citaro NGT (Natural Gas Technology) buses, the municipal transport company EMT Madrid (Empresa Municipal de Transportes de Madrid) is continuing to place all its faith in this environment-friendly drive technology.
The vehicles in question are 40 Mercedes-Benz Citaro natural-gas-powered articulated buses with a length of 18 metres and 42 Mercedes-Benz natural-gas-powered rigids with a length of 12 metres. The new Citaro NGT with natural-gas engine sets standards in terms of environmental friendliness and comfort. It is approved without restriction for the use of biomethane according to DIN 51624. This makes for an even smaller carbon footprint, as operation of the natural-gas bus then becomes virtually CO2-neutral. In addition, the noise level of the natural-gas engine is noticeably lower than that of a comparable diesel engine. Depending on the driving status, its noise emissions are up to 4 dB(A) lower, which corresponds to the subjectively perceived noise level almost being cut by half. Both factors – low CO2 emissions and low noise level – make the new Citaro NGT especially suitable for service in busy inner cities as well as residential areas or old-town districts with high numbers of tourists. In Madrid, the new natural-gas buses from Mercedes-Benz will operate in the city, including on one of Madrid's main avenues, the Paseo de la Castellana, which is in the centre of the Spanish capital.