Bloomberg: Germany is slashing the subsidies that built its solar industry up to $8.8 billion in sales and made the country the world’s biggest market for panels that capture the sun’s energy. Homes and businesses earn a government-guaranteed price of as much as 47 euro cents ($0.74) for each kilowatt-hour of solar power they generate, enough to run a vacuum cleaner for 60 minutes and double the market rate. Spain and France are copying Germany’s model as a way to nurture clean-energy …