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The e-Dumper is the World's Largest and Most Efficient Electric Truck
October 10, 2017  Rob Stumpf

[image  / e-Dumper

video  flash

With news of the Tesla Semi coming to mainstream media, electrification of
the commercial industry is beginning to find its way into the public eye.
After all, if the concept of an electric vehicles is good enough for
businesses to adopt in day-to-day operations, why can't the average Joe?

Meet the e-Dumper, an all-electric commercial truck meant to change the way
that commercialized mining and quarry work is viewed. It might not set any
land speed records, and certainly isn't be best looking vehicle on the
market (among both the electrified or petrol-powered), but the notches on
its belt signify function over form. This 100,000-pound truck towers above
the ground, carrying nearly one-tenth of its weight in battery cells.

The e-Dumper stores the energy capacity of eight Tesla Model S 75Ds, making
its total power reserve a staggering 600 kWh. To put that number into
perspective, it's as much power as the average home in the Mid-Atlantic
region of the United States uses in an entire month.

Not to worry though, this truck isn't going to consume a month's worth of
electricity every time it takes a trip up the mountain. In fact, this truck
actually generates more electricity than it uses. No, this isn't some weird
perpetual motion machine, but instead uses physics to put regenerative
braking as its main source of energy. 

When the e-Dumper climbs to its destination, it consumes around 30 kWh of
energy. But when descending the terrain, the previously-empty truck will now
be hauling 120,000 pounds of rock. Thanks to regenerative braking, the
e-Dumper actually generates a surplus of 10 kWh on its descent. Over the
course of a day, the truck is expected to make around 20 trips, dumping not
only rocks on its return, but as much as 200 kWh of extra energy back into
the grid.

Komatsu is no stranger to utilizing electric power plants in its trucks ...
This particular concept, however, is a modified Komatsu dump truck being
designed by heavy equipment manufacturer, Kuhn Schweiz, and a Swiss battery
storage company called Lithium Storage.
[© 2017 Time]

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