GM has been adding gears to automatic transmissions , reducing the weight of its powertrains and designing engines capable of being mass produced with high - tech features such as direct fuel injection and turbochargers . The template for GM 's future engine strategy is already on the road in cars such as the Pontiac Solstice GXP and Saturn Sky Red Line . The engine used in those roadsters is a 2.0-liter four - cylinder with direct fuel injection and a turbocharger . Horsepower is 260 -- the most per liter of any production engine GM has ever made .

Question: What may be a fact about the speaker ?
Answer: They are an employee for GM cars .They are knowledgeable about GM cars .They are a technician for GM cars .They work on the front line for GM cars .