Automotive

Driverless car stopped in San Francisco puzzles cops

San Francisco police faced an unprecedented problem recently when an officer stopped a car that was driving at night with no headlights on, only to discover there was no one inside.

Energy & Green Tech

GM expands market for hydrogen fuel cells beyond vehicles

General Motors is finding new markets for its hydrogen fuel cell systems, announcing that it will work with another company to build mobile electricity generators, electric vehicle charging stations and power generators for ...

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Police

A police service is a public force empowered to enforce the law and to ensure public and social order through the legitimized use of force.

The term is most commonly associated with police services of a state that are authorized to exercise the police power of that state within a defined legal or territorial area of responsibility. The word comes via French Policier, from Latin politia ("civil administration"), from ancient Greek πόλις ("city").

This text uses material from Wikipedia, licensed under CC BY-SA