evidence: - The average price of one-gallon gasoline was $1.12 in 1998. [...] The table below displays the average eGallons price per state. [...] In 2008, the average gas price was about $3.50 per gallon. Although this price is much higher than the current average gas price, it is significantly lower than in previous years. For example, in 2000, the average gas price was over $1.50 per gallon more than in 2008. Despite the high gas price, many people continue to rely on their vehicles as their main mode of transportation.