The average fuel consumption of a new car is still too high—averaging 7.4 liters of gasoline per 100 km in Switzerland in 2008—which means an emission of around 175 grams of CO2per km. The corresponding figures are much higher in many other countries. According to the U.S. Environmental...
Switzerland, the Swiss railway operator, SBB, cooperates with Swiss Airlines and Finnair to offer an intermodal product, called FlugZug, which covers four destinations (Basel, Bern, Lausanne and Lucerne) beyond Zurich. This product is displayed on the airlines’ CRSs such that it looks like a ...
We quantified the environmental impacts of Power-to-Liquid kerosene produced via Fischer-Tropsch Synthesis from electricity and carbon dioxide from air as one broadly discussed alternative liquid jet fuel. We applied a life-cycle assessment considering a well-to-wake boundary for five impact categories...
we solve the problem of the maximum cruise range for those three models; that is to say, we determine the evolution of the state variables: velocity and mass, the control variable: power setting, and the best range, also detailing the characteristics of the optimal flights and comparing them...
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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).Share and Cite MDPI and ACS Style Harvey, W.; Rainwater, C.; Cothren, J....
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). 1. Introduction Originally, Unmanned Aircraft Systems (UAS) were developed ...
These conditions lead to the belt rotation phenomena, which can occur in the carry or return flights of the conveyor. Changes in overlap position can also occur over short distances at relatively high angular speeds, resulting in multiple turns along the conveyor flight. Fig. 1 presents a ...
The European beaver, a riparian keystone species, was hunted almost to extinction in Europe for fur and castoreum. After re-introduction in France, Switzerland and the Lower and Delta Rhine, beaver populations have expanded along the Rhine. In 1988, beavers from the Middle Elbe region were re-...
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