Bye-bye, fossil fuels

<p>Have no doubt: Fossil fuels are out and renewables are in. The International Energy Agency predicts a dramatic shift toward green energy by the end of this decade. And more than 130 large companies recently signed onto a letter urging world leaders to ditch fossil fuels. Plus, the Biden administration is making a bet that hydrogen fuel will help bring the American economy to net-zero carbon emissions by 2050.</p>