241 Vehicles Expertise 116 (2018) Heft 7 To achieve an all electrific transport flow the routes leading up to and away from the main catenary electrified corridors can be travelled powered by batteries or hybrid systems with synthetic fuels made from renewable electricity. According to [4] a close integration of traffic and forwarding market and technology options for climate-neutral transport chains is necessary and possible. The “feasibility study to determine the potential of the hybrid trolley truck” [5] as part of the mobility and fuel strategy of the Federal Ministry of Transport and Digital Infrastructure (BMVi) comes to similar conclusions with even two stages of 4000 km and 8000 km of electrified highway sections being regarded as economically beneficial for both commercial users and the society as a whole. Furthermore it would make a major contribution to achieving the climate protection goals. An important factor for the success and acceptance of the system is its ability to constitute a European system. The Swedish project provides a recent example of how routes, logistic markets and technology collaborations can grow and spread to other member states. This is supported by standardization of the vehicle and infrastructure interfaces, which allows traffic interoperability. This brief outline of the state of electrification of road transport and its economic valuation compared to other decarbonization technologies shows, that technological development as well as the proof of economic efficiency is already highly advanced. However, the construction and dissemination of networks for the electrification of the road freight transport are more likely, the better this base technology is adapted to the transport policy framework and integrated into an overall strategy for the decarbonization of the transport sector. As freight traffic in Europe is internationally highly integrated, an analysis of framing conditions and decarbonization strategies should not be limited nationally, but extended to the European lead markets, which has been conducted in recent research work [6] and are further focused in this article. 2 Freight transport as a challenge for climate protection Freight transport in Europe has grown in the recent years and is coupled with the emitted GHG (greenhouse gas) emissions which also increase. In addition, on current forecasts this trend is expected to continue. It is assumed that the transport performance in surface transport will increase by almost 50% between 2015 and 2050 [7]. Today road freight transports are accounting about one quarter of the energy required for the entire transport sector [8]. And this energy is obtained almost exclusively Figure 1: eHighway demo track Gross Doelln, Germany (Source: Siemens Mobility GmbH) Figure 3: Public demo project at Carson, CA (US) (Source: Siemens Mobility GmbH). Figure 2: Public demo project on E16 near Sandviken, Sweden (Source: Scania CV AB). b Probeheft zur Ansicht
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