Objective

Currently, about 30% of the STCP fleet runs on natural gas, the remaining being conventional Diesel powered. The three hydrogen based buses started operation in 2004 and finished en January 2006.

Under the CUTE project, there is the need to appraise the technologies under scrutiny, both conventional and hydrogen.

Two parameters are considered: non-renewable energy consumption and GHG emissions for the following five technologies:

• Conventional Diesel from refinery;

• Conventional compressed natural gas (CNG);

• Fuel cell with hydrogen produced from grid electricity;

• Fuel cell with hydrogen produced from renewable electricity;

• Fuel cell with hydrogen produced from steam reforming of natural gas.

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