WheelTug was briefly mentioned in a recent Bloomberg article – excerpt below.
How an Industry Built on Pollution Is Getting a Tiny Bit Greener—and Faster
“More than 25 airlines have also turned to WheelTug, a device built into the nose-wheel to allow aircraft to push away from the gate without the need for a traditional tug powered by fossil fuels. Not only does it save between six and nine minutes of time per flight, but it can add around two extra flights per gate, according to tests performed at Mumbai International Airport.“
(sorry, will be gated for most)