California is proposing to add solar power to a million homes in the next 10 years, paid for by a surcharge on electricity bills equivalent to about US$0.27 a month. The plan, proposed by the California Environmental Protection Agency (EPA), is intended to honor an election pledge of Governor Arnold Schwarzenegger to ensure that half of all new homes in the state are built with solar power facilities. The surcharge would raise US$1 billion in 10 years for the installation program, with the state using the money to give rebates to home builders who install solar panels on new homes,...