NICOSIA, Cyprus — ExxonMobil has made the world’s third-biggest gas find in the past two years off the cost of Cyprus, the country’s government said Feb. 28.

Exxon Mobil Corp. is putting $1 million into a political campaign that, if successful, would effectively spawn a tax tied to the company’s core products.

Exxon Mobil Corp. quit the American Legislative Exchange Council, a lobbying group bankrolled by fossil fuel companies, after a disagreement over climate change policy.

ExxonMobil introduced three Mobil Delvac 1 synthetic heavy-duty diesel engine oils for use in on-highway and off-highway applications, with the expectation that the oils’ promised improvements in fuel efficiency and maintenance will spur greater industry adoption.