Amigo Luis, yo sabia que habia leido algo con respecto al carbon y su calidad, efectivamente el carbon español, es decir el que traina los barcos de España era de superior calidad, pero cuando fueron abastecidos en Santiago lo que les dieron fue de muy mala calidad, aqui te traigo la cita, la encontre:

Cita:

He didn’t have to wait quite that long. At half past noon the Colon had exhausted all of her good Spanish coal, and switched over to the inferior grade that they had obtained locally at Santiago. The Colon began to lose speed. As the Oregon began to close, Schley signaled to her “Try one of your railroad trains on her,” and a moment later the big guns in the forward turret of the battleship spoke and sent over a ton of projectiles on their way. They fell short five times. On the sixth firing, a shell was seen to land ahead of the Colon. The game was up. Another shot fell just off the stern of the Spanish cruiser, causing massive concussion damage, and a steam line burst. Commander Mason who had been watching the Colon through the ship’s telescope said, “She’s hauled down her colors and fired a lee gun.”

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El socialismo, es la Filosofía del Fracaso
El credo a la ignorancia,
Y la predica a la envidia.
Su virtud inherente, es la distribución
Igualitaria de la miseria.

Winston Churchill

And by the way, I don't believe in a Man Made Global Warming.