article thumbnail

Hybrid DLC-Battery Energy Storage System for Streetcars

Green Car Congress

In Portugal, the hybrid energy storage system has been successfully used in passenger services since November 2008. The Sitras HES hybrid energy storage system consists of two energy-storing components: the Sitras MES mobile energy storage unit (double-layer capacitor, DLC) and a nickel-metal hydride battery.

article thumbnail

Slow start for charge of the electric cars - Times Online

Tony Karrer Delicious EVdriven

The two companies have made a series of deals across the world supplying carsfor the electrification programmes of cities and whole countries – Denmark,Israel and Portugal among them. They are placing all their bets on pureelectric vehicles that produce zero emissions at the point of use.