It is reported that Honda will change the design and manufacturing processes to make their card 10% lighter cars that are lighter are more fuel efficient.

Some of Honda's new manufacturing methods involve welding outer panels to the frame, rather than assembling the ceiling, side and other panels, to reduce the use of bolts and reinforcing materials. Other techniques include combining two steel sheets of different thicknesses into a single sheet and using thinner steel sheets that are heat treated during processing to enhance their strength.

For starters, the automaker has begun using methods that enable it to cut down on materials, parts and processing steps for producing its new mini vehicle, the N Box, reducing the vehicle's weight by 10% and lowering its manufacturing costs.

(Sourced from www.nextbigfuture.com)