Madrid City Council in Spain has acquired 109 Iveco Stralis heavy-duty trucks powered by compressed natural gas (CNG) for its urban waste collection fleet.
The vehicles include 90 Stralis AD260S33YPS CNG models, featuring a 19cu m Ros Roca collector, and 19 AD190S33/P CNG models, each with a 12cu m Ros Roca collector.
They are powered by an Iveco Cursor 8 CNG engine that delivers 330hp and features an automatic transmission with integrated retarder. The engines have eight CNG cylinders with a total capacity of 640 litres in the AD260S33YPS model and 600 litres in the AD190S33/P model.
Natural gas (or methane) is stored in a gaseous state at a pressure of 200 bar, which the regulator reduces in two stages, before the gas is injected into the engine.
The fuel generates 95% less particulate matter emissions than diesel, 35% less NOx and 10% less CO2 - the equivalent of 85 tonnes every year.
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