The most efficient mode of transport is the bicycle.
Interesting comparison of macs’ power consumption in different modes. A dual G5 still pulls 3.2 W when powered down! This comforts me in my use of powerstrips to switch everything off at night or when not in use.
The modern automobile uses just one percent of its energy to move its occupants, the rest is used to move the big hunk of metal and glass that it is, power the gadgets, and a big chunk is simply lost as heat.
Energy efficiency labelling for all electronic goods is not a bad idea. I can’t count the number of times when I’ve had to try and peer behind equipment to find an indication of its power usage.
Tell the EU to make cars more fuel-efficient.
The speed of light itself presents limits to the efficiency of global computerized trading networks. This efficiency could be improved by the implementation of trading nodes at specific points on the Earth's surface to take advantage of the planet's geometry and networks.
