For hybrid fans, lots more power

auto_honda485.jpg

For its new Civic Hybrid, Honda engineered a gasoline-electric powerplant that's more powerful (110 horsepower, up from 93) and fuel-efficient (50 mpg city/highway). To increase the torque and horsepower from the 2.8-inch-thick electric motor, engineers cleverly swapped the round wire in the motor's armature for a flat one. That switch let them cram more wire in, increasing the power density. During deceleration, when the electric motor becomes a battery-charging generator, the variable-valve-timing system seals the gas engine's cylinders. This minimizes resistance, allowing the motor to generate more electricity as the primary engine-slowing force.

Want to keep track of the latest concept cars, automotive innovations, and more? Subscribe to Popular Science today, for less than $1 per issue!

0 Comments



June 2013: American Energy Independence

Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.


Online Content Director: Suzanne LaBarre | Email
Senior Editor: Paul Adams | Email
Associate Editor: Dan Nosowitz | Email
Assistant Editor: Colin Lecher | Email
Assistant Editor: Rose Pastore | Email

Contributing Writers:

Kelsey D. Atherton | Email
Francie Diep | Email
Shaunacy Ferro | Email

circ-top-header.gif
circ-cover.gif
bmxmag-ps