Under a draft proposal being thrashed out by negotiators in...Quito, oil companies including Occidental Petroleum Corp., Petrobras and EnCana Corp. would pave 160 miles (260 km) of new roads...About two-thirds of the 25 percent income tax paid by the companies would be steered toward local health, environment and development projects...In exchange, protesters would call a permanent end to the attacks and the government would end a state of emergency...