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They’re not just disruptive—these 50 companies are also intelligent in the way they build their businesses.
GE, the world’s largest manufacturer, is on the verge of using 3-D printing to make jet parts.
A startup says its technical advances could make fuel cells as cheap as grid power.
ARPA-E is funding several projects that use liquid battery electrodes to cut costs and increase energy density.
If it can convert natural gas to transportation fuels and commodity chemicals, it could reduce our dependence on oil.
A high-power circuit breaker could finally make DC power grids practical.
If you believe Tesla, affordable, long-range electric cars could be here sooner than many think.