1.   And unleaded gasoline is being swapped for natural gas.

2.   Base models take unleaded regular gasoline, while the Type S requires premium fuel.

3.   But few cars sold in China are equipped with catalytic converters because unleaded gasoline is sold only in a few cities.

4.   By early December Ethyl was shipping MMT to U.S. refiners for use in unleaded gasoline.

5.   Crude oil and unleaded gasoline prices fell in a technical selloff on the New York Mercantile Exchange.

6.   Futures prices for heating oil and unleaded gasoline retreated.

7.   Gasoline prices continue to rise in Texas as well, although the average price of regular unleaded gasoline is still lower than the national average.

8.   Future diesel cars and light trucks will likely require the premium grades, much as current models require unleaded gasoline to reduce pollution, he said.

9.   However, most cars do not have catalytic converters to cut exhaust emissions, and unleaded gasoline was introduced to the country just last year.

10.   It now sells unleaded gasoline and encourages the sale of household paints without lead.