Don't stop at stopping
i-ELOOP is a unique regenerative braking system that 
creates electricity from wasted energy when you slow down. Unlike conventional systems that use a battery, i-ELOOP uses 
a capacitor to store energy to help power electrical
 features. The result: improved fuel economy.
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100% engine power

Usually, about 10% of an engine’s output powers electrical systems. With i-ELOOP regenerative brake system, 100% of the engine’s power can be used for propulsion – for better fuel economy.
Saving engine power

The i-ELOOP regenerative braking system stores kinetic energy created during deceleration. The stored energy is then used to power the vehicle’s electrical systems – saving engine power for driving.
Ingenious gas saver

Imagine a brake system that actually saves you gas. Mazda did. The i-ELOOP regenerative braking system is an ingenious gas saver by allowing energy from gas to power vehicle propulsion only, rather than being wasted on powering the vehicle’s electrical system.