8 ways that cities are slashing streetlight costs
Keeping streets lit at night can end up costing a city a significant amount of money in energy and maintenance
Rising oil prices cost importing countries $5.5 billion a day
Oil prices and the broader economy are linked in complex ways, but there’s no question the connections are critical.
Which countries produce the most biofuels?
Biofuels — liquid fuels made from everything from algae to corn — haven’t yet come anywhere close to replacing crude oil.
How can we transform today's roads into smart 'green highways'?
Transforming today’s gasoline-dependent roads into “green highways” for electric cars is a lot more complex than just adding a
Solar, gas or biofuels? Power-generating Tulip says 'yes' to all
Every alternative energy source has its disadvantages, right? Natural gas, while cleaner than coal or oil, still produces carbon emissions.
What parts of the world get the most sunlight?
What parts of the world have the best potential for solar energy developments? Desert regions like the Sahara and Death
With $4-plus-a-gallon-gas, California keeps plugging for electric cars
It doesn’t take a genius to understand why electric vehicles (EVs) would seem especially appealing in a state where
Around the world, cities ask, 'May we have 10,000+ LEDs, please?'
Is “Change your lightbulbs” really a useful answer to the energy and climate challenges we face?
While it sounds almost
Which countries get the most energy from solar panels?
Which countries are getting the most energy from solar panels? Germany continues to lead the way globally, with nearly 25
Countdown to chaos: What happens when gas pumps run dry?
How dependent are we on a steady supply of fossil fuels? In particular, how much does a fully functioning society
