This year's Tokyo Truck show will be where Nissan unveils its
works in progress, as the automaker pushes forward toward being
the leader in the light commercial vehicle segment. An extra
electric boost may also help it get there, as all three concepts
are electric vehicles.  Each concept borrows electric technology
from the Leaf. The battery-powered e-NT400 Cabstar concept,
which uses a similar powertrain arrangement to the electric car,
runs up to 62 miles carrying a 1322-pound load. Because the van
utilizes a lithium-ion battery and electric motor, the operation
is considerably smoother and quieter than its conventional
diesel-powered equivalent.  Nissan is also showing a
refrigerator-truck that uses the same lithium-ion power to keep
freezer compartments chilled and running even when the engine is
switched off. Also in the refrigerator van is a multi-view
monitor, which uses a bird's eye view to show the driver its
position when backing up. The van is scheduled for release in
Japan in 2012, and the rear-vi