That "greater good" is to give electric vehicle technology a chance to crack through its niche status, reducing the continued reliance on fossil fuels from unstable nations.
WifiSLAM, which is roughly two years old, is among a slew of technology companies trying to crack the problem of how to detect a mobile-phone user's location when the user is indoors and traditional GPS technology doesn't work.
Shale gas is natural gas that is trapped inside shale rock and is extracted by using a technology called hydraulic fracturing, where highly pressurized water mixed with sand and chemicals is used to crack open rocks.