Liquefied natural gas could be the magic words for future transportation. LNG is not yet widely used in Germany and the EU, but it's much cleaner than diesel. We visit Germany's LNG pioneers.
Berlin is notorious for dirty air in Germany. The local government wants to introduce speed limits on major roads to tackle the problem, while environmental groups continue to call for a diesel ban across Germany.
As emission regulations become stronger for new vehicles in industrialized countries, cars as old as 25 years no longer able to meet emission standards are being exported to Africa. Air quality is suffering as a result.
Nitrogen oxide (NOx) emissions were at the center of the Dieselgate scandal that swamped Volkswagen two years ago, but the carmaker's head of development says that problem is solved with its latest engines.
The Venta Maersk will test the passage through Russian waters, which is significantly shorter than the way south through the Suez Canal. Climate change has warmed the Arctic waters, allowing ships to pass more easily.
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