Smart utilities are offering LED light bulbs

Here is something intelligent : utilities offering LED bulbs to decrease your energy consumption. As an example of this I received this month a FREE super efficient bulb. Thanks Seattle City Light for making my household and thousands of others more efficient ! 

Our civilization is 98 percent energy inefficient

You know it if you have been reading this blog for some time : I am an energy efficiency nut. While less sexy than renewables, consuming energy more efficiently is just the most important part of our transition towards sustainability.

Emissions in United States rebounded in 2013

This was a major setback for me last week, US greenhouse gases emissions related to energy rose two percent in 2013 compared to 2012. To the US EIA this is due to ” a small increase in coal consumption in the electric power sector. “ ” Coal has regained some market share from natural gas since a… Continue reading Emissions in United States rebounded in 2013

Buenos Aires switches to LED lights, saves money

The capital city of Argentina, Buenos Aires, have switched its 125,000 streetlights to LED. This will cut energy consumption by half and will last five times longer. With 13 million inhabitants, it is the second largest city in South America. To TreeHugger : ” That’s just one city. It’s estimated that if cities around the… Continue reading Buenos Aires switches to LED lights, saves money

Random vacation thoughts

My time out for the past two weeks in southern France was the occasion for me to think a bit about energy and environmental issues as I was experiencing stuff I have been writing about on this blog. Exemplifying with day-to-day and real-life examples is a fantastic opportunity to see how stuff just works.  From… Continue reading Random vacation thoughts

LED lights save a lot of money, could save even much more

According to a study carried out in the United States by the local Department of Energy (DOE), the 49 million LED light bulbs already installed helped save a massive $675 million (over 500 million euros) in a single year. But wait, there is more as if all light bulbs in the United States were replaced… Continue reading LED lights save a lot of money, could save even much more

A Kickstarter success, the Nanolight

Do you know Kickstarter, the world’s largest funding platform more used to fund video games and other similar projects ? Well, one of its recent successes is the Nanolight, perhaps the world’s most efficient light bulb. Only consuming 12 W to offer the light of the traditional 100 W incandescent bulb, the Nanolight was developed… Continue reading A Kickstarter success, the Nanolight

Towards sustainability, reloaded : electricity

For the second part of this series – the first one was on heating – we are having a look at electricity consumption of households and the various ways we can decrease it. This will enable you to have lower energy bills – always a good thing with the hard times we have – to… Continue reading Towards sustainability, reloaded : electricity

China & the USA to ban incandescent light bulbs

Incandescent light bulbs are a relic of the past, a vastly inefficient past. Modern alternatives like CFLs and LEDs consume five to ten times less energy. For these reasons, the European Union or Australia have already phased them out. More countries will be doing the same, namingly the United States and China. The latter will… Continue reading China & the USA to ban incandescent light bulbs

Think CFLs are great ? Read on…

CFLs consume up to five time less energy than traditional incandescent and halogen bulbs. This convinced several countries including the European Union and India to increasingly use them. Now LEDs are slowly reaching the markets. Consuming up to half the energy of CFLs they come in all shapes and colors. Even if they are still… Continue reading Think CFLs are great ? Read on…