Germany's energy shift from nuclear to renewables is costly and complicated. The move was inspired by the nuclear disaster in Japan - and it is the Japanese who are inventing some of the solutions.
French train maker Alstom has rolled out the world's first hydrogen-powered train on a regular route in Germany, in a push to challenge the reign of polluting diesel trains with costlier but more eco-friendly technology.
The future of Europe's carmakers depends on reliable supplies of cheap lithium-ion cells, a key component of e-car batteries. But such cells are nearly all made in Asia. Does Europe need its own Li-ion cell supply?
German carmakers didn't pioneer the new era of electric cars, but now they're making massive investments in EV model development and production. By 2025 they may surpass their rivals for global e-car market share.
Trump’s decision to end the Iran nuclear deal will hit the Iranian economy, although with China and the EU not on board the impact may be less severe than some fear. How Iran's banking system fares could tell us more.
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