Energy saving

Energy saving: travel

Energy saving: travel

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Did you know that traveling by car at 105 km / h instead of 120 km / h allows you to save about 15% of fuel? And what to keep inflated tires and aligned (what is called convergence) increases the number of kilometers that can be traveled with a liter by about 3.3%? Taken together these two things don't make a good one savings? Remember this especially now that we are talking about travel and holidays, for those who can afford them: give them displacements by car, but not only by car, quite a lot is possible energy saving, with benefits for our pockets and for the environment.

Let's go back to the car. Air conditioners are useful but also expensive because when they are running they can also consume 10% more fuel, which is no small feat. However in the displacements at speeds above 80 km / h it is preferable to turn on the air conditioner than to open the window because the aerodynamic resistance would consume even more power.

If when we get into the car the interior temperature is higher than the outside temperature, it is a good idea to travel for a few minutes with the windows down before turning on the air conditioning: cooling a few degrees thanks to the outside air will prevent the fans from doing the heaviest work and will allow quite a lot energy saving. It goes without saying that the air conditioning system should only be turned on when necessary, and in the mid-seasons (which still exist) it can be done without it.

The ways to save energy give it displacements by car there are many: for example consider the possibility of switching to a hybrid car (petrol + electric or diesel + electric) or high biodiesel energy efficiency. Those who live in the city and mainly make short trips could also consider a electric vehicle, which today have a respectable autonomy and do not have the problem of limited traffic areas or walking Sundays (which cost us a lot with the overtime of the police).

Obviously, there is not only the car. For the displacements short the energy saving is to go on foot or in bicycle. Of bike there are the traditional ones, which in 2012 in Italy surpassed cars for number of pieces sold, and there are those a assisted pedaling: real gems of technique, some even vintage like the Velorapida, which allow you to move effortlessly at 20 km / h with about fifty km of autonomy thanks to small electric batteries that recharge quickly at home.

Of pedal assisted electric bikes there are also some equipped with photovoltaic panels which help (if not complete) the recharge of the battery when pedaling in the sun. Who wants to go even further in the energy saving and in reducing pollution, it can focus on the real thing pedal assisted solar electric bike, which works without batteries with only the contribution ofpower produced by photovoltaic panel on board: here, however, we are still at the prototype level and a vehicle like the Sunbike is not the most suitable for displacements in the city (for an original summer vacation, yes).

And public transport? Given that they too pollute (some too much) and that they should be built thinking about reducing emissions and savings of power, the displacements by train, tram and bus are certainly preferable to those by car because: they have a lower environmental impact, reduce traffic and are forms of shift more relaxing. Avoiding stress, after all, is also a form of savings of power.

Video: How to Prepare Your Home Befor Travel - Home Energy Conservation Tips (May 2022).