President Trump recently blamed Ukrainian attacks on Russian refineries for causing a spike in diesel prices, but analysts say the Iran war is probably a bigger factor.

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Ten U.S. states have legalized systems that can be plugged into standard wall outlets. The technology typically does not require permits or electricians.

© Poppy Lynch for The New York Times

Ten U.S. states have legalized systems that can be plugged into standard wall outlets. The technology typically does not require permits or electricians.

The cost of crude has become a real-time barometer of the Iran war’s toll on the global economy.

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The amount of oil and fuel stored by businesses and governments has fallen sharply since the start of the U.S.-Israeli war against Iran.

© The New York Times

An analysis of oil export data offers clues about which nations have benefited from higher prices, and which have lost a lot of revenue.

© The New York Times