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aim: zero emissions - Toyota

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hybrid<br />

hybrid<br />

Technology<br />

Electric<br />

No single engine technology<br />

or fuel can deliver an optimal<br />

solution to the <strong>emissions</strong><br />

problem. All have their shortcomings.<br />

Petrol engines emit less nitrogen oxides than diesel<br />

engines, and produce insignificant levels of particulate<br />

matter. Diesel engines, on the other hand,<br />

are more fuel efficient and therefore produce less<br />

carbon dioxide than petrol engines. Among non-petroleum<br />

power sources, electric vehicles, for example,<br />

are clean, but cannot deliver satisfying overall<br />

drive performance, acceptable driving range, and have<br />

to be recharged.<br />

But what if it were possible to combine different types<br />

of power sources and make them work together to enhance<br />

their respective benefits and reduce their obvious<br />

shortcomings?<br />

This leap forward has been made through the creation<br />

of <strong>Toyota</strong>’s hybrid technology, now one of the company’s<br />

core vehicle technologies.<br />

If you drive 25,000 km a year in a Prius,<br />

you will save over 1 tonne more<br />

CO2 when compared to a<br />

similarly-sized diesel car.<br />

+<br />

+<br />

+<br />

+<br />

Diesel<br />

or<br />

or<br />

Alternatives<br />

Fuels<br />

Petrol<br />

or<br />

Fuel Cell<br />

Hybrid technology can be applied effectively to improve<br />

the efficiencies of a variety of power trains irrespective<br />

of the type of fuel used (gasoline, diesel, alternative fuels<br />

or fuel cell vehicles).<br />

Hybrids not only deliver lower <strong>emissions</strong> and reduced<br />

fuel consumption, but they are completely silent when<br />

operating electrically and deliver impressive driving performance.<br />

The revolutionary breakthrough achieved by hybrid<br />

technology is the intelligent management of the energy<br />

flows from two different power sources so that each dimension<br />

of driving – acceleration, open road, braking<br />

and stop-and-go – is performed in an optimal way.<br />

This highly innovative solution consists of a petrol engine<br />

designed to minimize fuel consumption, combined<br />

with a <strong>zero</strong>-emission electric motor matched to a nickel<br />

metal hydride electric battery pack to provide additional<br />

power. Both of these power sources work together<br />

under the supervision of a sophisticated power<br />

management controller to deliver maximum overall<br />

driving efficiency.<br />

One tree (1) absorbs around 14kg (2) of CO2<br />

each year. So you'd be doing the annual<br />

workload of a forest with 71 trees.<br />

(1) Measured using Japanese cedar<br />

(2) CO 2 equivalent<br />

1

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