Some companies will make batteries or electric engines or retrofit kits others will retrofit gasoline cars with the new engines a great job opportunity for unemployed auto workers.

And so we retrofit these with sensors and processors, and these robots can fly indoors without GPS.

Both the US and Europe, for instance, must retrofit their economies to address the challenges of global warming.

The (V)3 is designed for retrofit into F 15C D and deployed in Singapore's new F 15SG aircraft.

The group is now looking for an initial manufacturer assembler for the retrofit kits (as opposed to the engines inside them).

If all goes well, a host of electric car engine and retrofit kit makers will appear, serving different markets of existing car owners.

While some factory jobs can be outsourced or automated, robots cannot yet retrofit buildings, install solar PV cells on rooftops, or construct vertical farms.

And I close with this image of democracy in action This is a protest that's happening on a retrofit in Silver Spring, Maryland on an Astroturf town green.

If you want to start an electric engine company, learn how to retrofit a gasoline engine, or simply figure out what you could do with your own car, go to www.ecars now.org .

Other initiatives are springing up in Denmark, Latvia, Spain, and Turkey, says Räsänen. The group is now looking for an initial manufacturer assembler for the retrofit kits (as opposed to the engines inside them).

In 1979, it received a major upgrade and became the first airborne radar to incorporate a software programmable signal processor (PSP), and the PSP allowed the system to be modified to accommodate new modes and weapons through software reprogramming rather than by hardware retrofit.