Engineering

Startup using microorganisms to make 'green' cement

A Colorado company is channeling the industriousness of microorganisms to grow zero-carbon cement in a process that is similar to the way corals build reefs or oysters produce shells.

Consumer & Gadgets

Walmart plans $3.99 drone deliveries in six states by year-end

Walmart Inc. and partner DroneUp LLC plan to expand their drone-delivery hubs to 34 locations in six states by year-end, taking a big step toward scaling up aerial dropoffs for U.S. shoppers even though big regulatory hurdles ...

Energy & Green Tech

Dung power: India taps new energy cash cow

India is tapping a new energy source that promises to help clean up smog-choked cities and is already providing a vital revenue stream for poor Indian farmers: truckloads of bovine manure.

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Pilot

Pilot may refer to:

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