The rear-wheel-drive C15 model gets a combined 19 mpg (16 mpg city, 23 mpg highway), and the four-wheel-drive K15 model comes in at 18 mpg combined (16 mpg city, 22 mpg combined). Those ratings are achieved by the redesigned 5.3-liter V-8 engine paired with a six-speed automatic.
The map on the right shows that lightning is not distributed evenly around the planet. About 70% of lightning occurs on land in the Tropics, where the majority of thunderstorms occur. The north and south poles and the areas over the oceans have the fewest lightning strikes.
Where does on our planet does lightning flash most frequently? According to satellite observations, lightning occurs more often over land than over the oceans. And lightning seems to happen more often closer to the equator. The map above shows the average yearly counts of lightning flashes per square kilometer from 1995 to 2013. Areas with the fewest number of flashes each year are gray and purple; areas with the largest number of lightning flashesâas many as 150 per year per square kilometerâare bright pink.