Since Puerto Rico was hit by Hurricane Maria over a month ago, most residents, businesses, schools and hospitals are still without power or relying on generators.
Private outfits such as Tesla, Amazon and Google parent company Alphabet have attempted to make up the shortfall in government aid. Their projects have included the installation of solar batteries,and providing communications.
Tesla'sare designed to capture energy when it's sunny and store it for use when the sun disappears.
Special Reports: All of CNET's most in-depth features in one easy spot.
Tech Enabled: CNET chronicles tech's role in providing new kinds of accessibility.