Upcycling sun-tennas

The following picture was taken in Casablanca from the Kenzi Tower one month ago. It isn’t the best example, though, for example, in Cairo, it strikes more to the eye.

What do you see?…

Antenas techo

Actually, there are approximately 200 TV antennas on the roof-tops. Let’s zoom in a bit:

Antennas 25 In this portion, corresponding to one building alone, you have around 25 units.

With the advent of cable television, wireless video streaming and other technology, these antennas could soon become stranded assets in many countries. Imagine how many could be left useless and need recycling. While thinking about asset utilization and the sharing economy, I couldn’t help but think:

What can they be used for instead?… Sigue leyendo

Anuncios

Future superavits in Energythaca

On one hand, the rise of renewable energy, even before the 100% goal, will bring superavit of power. This means there will be excess power that is not required in the system. It already is happening and it will be even more so. This power can be stored, but of course, using it directly is more efficient and thus, preferable.

On the other hand, the penetration of robotics and software will change the jobs available for humans, as is in discussion in Davos these days. This means there will also be a superavit of productivity.

Overflow

Overflow. Image from Andrea Kratzenger on freeimages.com

We will have Superavit of Power and Superavit of Productivity, that we must use wisely to Sigue leyendo

Hot. Classic. ConvertEV

The beauty of many classics is appreciated by almost anyone. Even a 5 year-old child has no problem admiring the lines of an old sportscar…

Ferrari

To keep these hot rides running, when the old engine is hardly repairable, there is an option; to make them electric.

There are at the moment some start-ups focused in EV conversion, as Zelectric motors, specialized in converting classics to electric, for example the VW Bug. Another example are the conversion kits from EV West, allowing individuals to convert the vehicles.

Here in Spain we have Jofemar’s Hidronew Project. And they have proven in EV competitions that their converted vehicles are fast.

TR4

Although with an electric drivetrain these models are more environmental friendly and have the old beauty and the new efficiency, it’s true that losing the original engine and noise is like tearing the soul of these cars. That’s why i’m in favor of converting the vehicles when the original engine can no longer be repaired as original.

MG

As car workshops get used to EV maintenance and repair (simpler than internal combustion drivetrains) the conversions will grow, adding EV units by reusing old cars instead of building from scratch.

I’m sure this is going to get more and more common, converting an old car will get less expensive and it may become the cheapest (and coolest) way of owning an EV.

Bike immortality, efficiency that never dies

This post shows my new taste for classic bikes… and is also a mix of energy efficiency advocacy and touristic scenery I hope you will like!

Living in Sweden for the last month and a half, I was amazed by the rich quantity…

Bikes in Vasteras Centre

Bikes parked in Vasteras Centre

…and the colourful variety of bicycles around.

Bike decorating shop

Flowered bike decorating shop

I’m not saying nothing new if I highlight the multiple benefits of bicycles for the cities, and for the individuals… so i’ll skip that.

 

What I want to highlight is the immortality of bikes. The older the bike, the more efficient is the “asset utilization”, and higher the return, let’s call it MROEI (mobility return on energy invested). And as long as the frame is fine, by changing tires and brake-pads, a bike can basically live forever. An example, the following picture from a bike almost 70 years old:

Sigue leyendo