The process might take 100,000 years or more, experts estimate.
Some experts estimate they may in future pay $25 billion less for their food each year.
Experts estimate there are about 500,000 of them on the road.
Experts have estimated the cost of that deal at $650 million.
Other Western experts estimate the drug business to be worth $300 billion a year.
Experts estimate that about 10 percent of it is oil.
His experts estimated the total cost of the bond issue, including interest, would be $1.7 billion over 25 years.
One expert estimated the property's value today at about £125 million.
Private experts have estimated that such a program would cost several hundred million dollars.
Experts estimate those attacks could cost the industry more than $40 billion.
