Unfortunately, small amount of sugar = even smaller amount of useful product. I.e. for all we know the yields/cell densities (not reported) are so low that you

Unfortunately, small amount of sugar = even smaller amount of useful product. I.e. for all we know the yields/cell densities (not reported) are so low that you need more land to grow sugarcane and coconut trees than to grow the amount of coffea plants needed for a similar amount coffee.