Piston-Powered Airplanes More Fuel Efficient (But Is That Enough?)

September 17, 2010 by  
Filed under Eco, Eco Tech

Comments Off on Piston-Powered Airplanes More Fuel Efficient (But Is That Enough?)

A recent article from Low-Tech Magazine brings up the interesting note that only the most recent jet planes are as fuel-efficient as propeller planes . Many people believe that jets are very efficient, but, “on a per passenger mile basis, the most efficient modern aircraft, the Airbus A380, has just managed to match that which was achieved by the piston engined Lockheed Constellation series in the 1950’s.” Unfortunately, passenger-mile fuel efficiency isn’t the sole metric that airlines have to consider. Fuel cost is certainly a big chunk of the operating budget for a passenger plane, but so is the cost of crew wages and benefits

See the rest here: 
Piston-Powered Airplanes More Fuel Efficient (But Is That Enough?)

A123 Opens Largest Battery Plant in North America

September 16, 2010 by  
Filed under Eco, Eco Tech

Comments Off on A123 Opens Largest Battery Plant in North America

A123 Systems has opened a new lithium-ion battery plant in Livonia, Michigan .  Based on capacity, it’s the largest battery plant in North America. The new plant is 291,000 square feet and is designed to house the entire production process from R&D to manufacture of individual components and all the way through final assembly of battery packs. The facility will increase the company’s production by 600 MWh per year, making its overall cell assembly capacity reach 760 MWh a year by 2011

Originally posted here:
A123 Opens Largest Battery Plant in North America

Feelgood for the Holidays (the budget-friendly edition)

December 15, 2009 by  
Filed under Eco, Green

Comments Off on Feelgood for the Holidays (the budget-friendly edition)

Yesterday I heard a series of interviews with Americans about their holiday gift plans. Responses included phrases like “Wal-Mart,” “Gift Cards,” and “one big gift instead of 10 small ones.” Clearly, families everywhere are rethinking their gift-giving traditions.

View original here:
Feelgood for the Holidays (the budget-friendly edition)

Bad Behavior has blocked 1397 access attempts in the last 7 days.