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A Smart ED Police Car in central London in 2008. The first Smart electric drive vehicles, still using the first generation type 450 body style, were modified by Zytek Electric Vehicles. They were powered by a rear-mounted motor driving the rear wheels. It ran on 13.2 kilowatt hours of sodium-nickel chloride Zebra batteries. These type of molten ...
The electric immobiliser/alarm system was invented by St. George Evans and Edward Birkenbuel and patented in 1919. [2] They developed a 3x3 grid of double-contact switches on a panel mounted inside the car so when the ignition switch was activated, current from the battery (or magneto) went to the spark plugs allowing the engine to start, or immobilizing the vehicle and sounding the horn. [3]
A start-stop system off button on a Perodua Myvi. A vehicle start-stop system or stop-start system (also known as S&S, micro hybrid, or micro hybrid electric vehicle (μHEV)) [1] automatically shuts down and restarts the internal combustion engine to reduce the amount of time the engine spends idling, thereby reducing fuel consumption and emissions.
A battery isolator is an electrical device that divides direct current (DC) into multiple branches and only allows current in one direction in each branch. The primary benefit of such an arrangement is the ability to simultaneously charge more than one battery from a single power source (e.g., an alternator) without connecting the battery terminals together in parallel.
If sufficiently shocked, the cage will spring open which actuates an associated switch. The switch is reset by pressing the cage closed through the flexible (red) top cover, retrapping the mass. These switches are also used to open a contactor (a large relay) to disable the high power circuit of a battery electric vehicle upon collision.
The Smart Fortwo may have claimed to be the most fuel-efficient fully gasoline-engined car for sale in the US, but it actually lags behind the 4-door Mitsubishi Mirage and 2-door Scion iQ (combined 40 mpg ‑US (5.9 L/100 km; 48 mpg ‑imp) and 37 mpg ‑US (6.4 L/100 km; 44 mpg ‑imp), respectively). [45]