Economist Clemens Fuest discusses prospects for the German auto industry in light of the trend from gas and diesel to electricity. Will it remain competitive? What would a nationwide ban on diesel mean for jobs in Germany?

Many countries have financial incentives to buy an electric car, in the form of subsidies or tax breaks. In Germany, the government and manufacturers offer 4000 Euros per car. Norway, however, is the absolute pacesetter when it comes to e-mobility.

Greed is one of Christianity's seven deadly sins, and it predates capitalism. In our society, who is greedier -- the consumer or the capitalist? Are there any positive aspects to greed?

Germany is a super-green nation. That's how it's seen by much of the world. But DWs Lars Halter isn't so sure. A dyed-in-the-wool eco warrior, he says Germany is failing to live up to its reputation.

A notorious climate change skeptic, President Trump is keen to revive the coal industry. It's a stance that shocks many in Germany. But has coal mining been unfairly written off? It's a controversial question here, too.

Castelfalfi was a ghost town until German tour operator TUI bought it in 2007. It’s now home to golf courses, villas and gourmet restaurants. But you won’t find many Italians here – just investors and wealthy visitors.

The Spanish government encouraged the public to embrace solar power as a sound investment. But the financial crisis forced it to cut subsidies. Domestic investors, in particular, seem to be losing out.

"In global terms, it doesn't matter what Trump does - coal is not coming back," says the director of Berlin think tank Agora Energiewende. What makes Markus Steigenberger so sure?

Business leaders without ties? DW's best-dressed business presenter Gerhard Elfers is appalled. He says, "A suit without a tie is like a frame without a picture."

The G20 in Hamburg promises to be more than a run-of-the-mill meeting of world leaders. It'll be the first face-to-face between Vladimir Putin and Donald Trump since he took the US presidency. Another big topic: free trade vs. protectionism.