Tag: fuel efficiency

Supercritical Fuel Injection

By Duncan Graham-Rowe | 08/11/2009 | 3 Comments

A supercritical diesel engine could increase efficiency and cut emissions.

A More Efficient Ethanol Engine

By Duncan Graham-Rowe | 02/19/2009 | 4 Comments

An "adaptive" engine promises to make ethanol more competitive.

A Fuel-Sipping Engine

By Rob Edwards | 11/03/2008 | 6 Comments

An engine from Lotus and Continental Powertrain consumes 15 percent less fuel.

Sun + Water = Fuel

By Kevin Bullis | 10/20/2008 | 0 Comments

With catalysts created by an MIT chemist, sunlight can turn water into hydrogen. If the process can scale up, it could make solar power a dominant source of energy.

More-Powerful Fuel Cells

By Katherine Bourzac | 05/22/2008 | 4 Comments

A cheap polymer material increases the power output of methanol fuel cells by 50 percent.

Nonelectric Hybrid Engines

By Duncan Graham-Rowe | 04/01/2008 | 6 Comments

A novel hybrid engine could slash fuel consumption.

The New CAFE Standards

By Peter Fairley | 01/15/2008 | 13 Comments

Fuel standards will likely be achievable but won't encourage innovation.

To Mars and Beyond

By Erica Naone | 09/25/2007 | 2 Comments

Rocket scientist Franklin Chang Diaz talks about finding the power and propulsion required to colonize space.

Novel Batteries Get a Boost

By Kevin Bullis | 08/13/2007 | 11 Comments

GM plans to develop batteries with A123 Systems for its new electric vehicle.