I do not see any ecofocus on tire labels here in nicaragua. Here are the pics of champiro vp1
Buenos dias! (I hope I wrote it correctly)
Your reading comprehension is not good and thanks for posting your location (Nicaragua) I will blame "English as a second (or even further) language". Mine native language is Polish so I can relate.
The "ecofocus" is on web site that sells tires in the USA (probably Canada too):
www.tirerack.com. Not on sidewall.
From CapriRacer:
"Tire Rack uses the tern "Ecofocus" and delineates those that have enhanced RR."
Further your location means that you should be checking local data. I do not think that there are many people in the USA or this board who know Central American (or precisely Nicaraguan) tire market. What is available? What sizes? Etc.
As mentioned earlier you are approaching the problem from wrong angle. Pick a tire designed for low rolling resistance and then find correct size for your vehicle.
You are currently looking at two tires that the same model but different size gets G (the lowest) rolling resistance on Euro label. These labels are "self reported" by manufacturer so they are probably best scenario. That is like asking which spoiled meat will be best for a steak? One week spoiled or 10 days?
Neither is correct answer.
Find a tire in Nicaraguan market, try to find if the same model and size is sold in Europe, find tire label (it seems that tire manufacturers are posting this data on their web pages) and find fuel economy score.
Euro label looks like this
And it should be obvious which pictogram is for fuel economy (it is blessing and a curse to have 27+ official languages in an organization).
Sometimes the label data is provided as a table because it is size specific so each size may be different.
Here is Continental tire label viewer:
Fuel efficiency, rolling resistance, and noise level – all about the EU Tire Label.
www.continental-tires.com
Best of luck!
Krzyś