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.
The flash of lightning temporarily equalizes the charged regions in the atmosphere until the opposite charges build up again. Lightning can occur between opposite charges within the thunderstorm cloud (intra-cloud lightning) or between opposite charges in the cloud and on the ground (cloud-to-ground lightning).he flash of lightning temporarily equalizes the charged regions in the atmosphere until the opposite charges build up again. Lightning can occur between opposite charges within the thunderstorm cloud (intra-cloud lightning) or between opposite charges in the cloud and on the ground (cloud-to-ground lightning).