Even though the XR3 was the sporty trim, the earlier Brazilian versions still retained the Renault-based CHT engine, which in turn had been pointed out to be more efficient than the European CVH on base models of the Mk.3 Escort, so it might qualify as eco. Not to mention how it fared quite well on ethanol back in the day...
Took these pictures in the first half of October, which in the Southern hemisphere is still early springtime.