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Zero emission public transport for urban areas

Demonstrate a novel form of hybrid electric drive line which
combines the virtues of the bus and tram without the need
for track or overhead lines and show how this introduces a
modal shift away from the passenger car.

The path towards sustainable transport requires the development of integrated transport strategies within the overall planning of urban areas, making public transport more attractive and inducing a modal shift away from individual transport particularly in inner city areas. The aim is to demonstrate the advantages of using an innovative form of public transport with zero emissions based on a hybrid electric drive line which combines the advantage of a tram and bus (called a TRUS). The infrastructure cost is low compared with other forms of transport (including light rail) because neither tracks nor overhead lines are required; only charging up points at stops along the selected route. The diesel bus in its current form is inefficient in its use of energy and causes pollution, vibration and noise in city centres. With the oil price increasing due to mismatch between demand and supply, alternative drive lines with higher efficiencies and zero emissions become more attractive. Novel features of a TRUS concept include the use of a small on-board energy store (flywheel) to store the energy that would otherwise be lost on braking and the ability to rapidly recharge the flywheel at stops when passengers exit or enter the vehicle. A further benefit to the operator is the extended range and life of the battery because acceleration is primarily undertaken by the energy store and constant speed by the battery. The demonstrations in a number of European cities including Uppsala, Reading and Barcelona will form part of an integrated transport strategy for a particular transport corridor. The acceptance of such a technology, its commercial viability and the ability to encourage a modal shift will be assessed together with the associated reductions in noise, vibration and pollution. A subsidiary output will be analysis of the conditions under which such strategies and technology can be used in other European cities.
Acronym: 
TRUS
Project ID: 
2 462
Start date: 
01-04-2001
Project Duration: 
141months
Project costs: 
4 000 000.00€
Technological Area: 
Hybrid and Electric Vehicles technology
Market Area: 

Raising the productivity and competitiveness of European businesses through technology. Boosting national economies on the international market, and strengthening the basis for sustainable prosperity and employment.