Energy & Green Tech

Future car travel may be cheaper, but also more expensive

Many of the cars currently speeding through the summer landscape are running on electricity. At the same time, fuel taxes are an important source of income for the government. So where will the money come from in the future ...

Energy & Green Tech

The role of energy density for grid-scale batteries

Because the sun does not shine at night but all our screens do, we need energy storage to shift solar energy production during the day to when it is needed in the evening. To cope with this intermittence of renewables, we ...

Energy & Green Tech

In rural America, big solar projects often get a frosty welcome

From her century-old home, Susan Burns has watched the sun set over her cousin's field every day for 75 years. Now her cousin has agreed to have solar panels installed on the field, and an unhappy Burns finds herself in a ...

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