For the control of certain bacterial diseases of plants, streptomycin was indeed a silver bullet. Unfortunately, just as the emergence of bacterial strains resistant to antibiotics has limited their performance in clinical settings, streptomycin resistance has destabilized plant disease control.
Average costs of the oil spill clean-up for the oil disasters listed in the table work out at $161 Million, this does not include the estimated costs of $12.5 Billion to clean up the Gulf of Mexico, as this is unprecedented and would give a false value. Reference Web:
Fuel: The cost of fuel is the main cause of reduced profitability. The average oil price for 2011 is now expected to be $110 per barrel (Brent), a 15% increase over the previous forecast of $96 per barrel. For each dollar increase in the average annual oil price, airlines face an additional $1.6 billion in costs.With estimates that 50% of the industryâs fuel requirement is hedged at 2010 price levels, the industry 2011 fuel bill will rise by $10 billion to $176 billion.Fuel is now estimated to comprise 30% of airline costsâmore than double the 13% of 2001.ith estimates that 50% of the industryâs fuel requirement is hedged at 2010 price levels, the industry 2011 fuel bill will rise by $10 billion to $176 billion. Fuel is now estimated to comprise 30% of airline costsâmore than double the 13% of 2001.