Green Car Congress

DECEMBER 2, 2011

Aptera Motors, the developer of an all-electric, three-wheeled lightweight aerodynamic vehicle ( earlier post ) is shutting down. Aptera executives had been engaged in exhaustive due diligence with the Department of Energy (DOE) pertaining to an ATVM (Advance Technology Vehicle Manufacturing) loan.

Aptera 239

Aptera Motor Motors Motoring 239

Green Car Congress

FEBRUARY 20, 2011

When the four-stroke auto-rickshaws were separated into “new” and “old” groups and their emissions compared by fuel type, no significant difference was observed for any exhaust constituents except for NO x from the gasoline-fueled vehicles. There are an estimated 3 million auto-rickshaws in India, around two-thirds of the world total.

Gasoline 287

Gasoline Emissions Fuel India 287

Green Car Congress

APRIL 24, 2012

The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. There is no ISFC improvement at high load. Click to enlarge. —Willcox et al. Willcox, M.,

Light 304

Light Fuel Economy Engine Fuel 304