Tesla's new solar shingles could be the spark needed to ignite the industry

Tesla has announced four different solar roof tiles that the company plans to tie tightly into its manufacturing and sales of household and commercial battery systems, that will be able to store the energy while at the time making it available to charge Tesla electric cars.
Tesla founder and CEO Elon Musk held a press conference Friday to announce the new rooftop solar tiles at Universal Studios Hollywood's old "Desperate Housewives" set, where the houses surrounding him all had recently had th