The Toyota Prius is a gasoline/electric hybrid car that gets 54 miles to the gallon. An article in the Wall Street Journal noted that sales of the Prius had been hurt by low gasoline prices and that...

The Toyota Prius is a gasoline/electric hybrid car that gets 54

miles to the gallon. An article in the Wall Street Journal noted

that sales of the Prius had been hurt by low gasoline prices

and that “Americans are now more likely to trade in a hybrid

or an electric vehicle for an SUV.” Does the article indicate

that gasoline-powered cars and gasoline are substitutes or

complements? Does it indicate that gasoline-powered cars

and hybrids are substitutes or complements? Briefly explain.

Source: Sean McClain, “Toyota’s Prius Pays Price for Cheap Gasoline,”

Wall Street Journal, September 6, 2016.