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SEN. TED CRUZ: "Obamacare has doubled the profits of the big health insurance companies, doubled them. Obamacare has been great corporate welfare for giant health insurance companies at the same time, according to the Kaiser foundation, premiums — average families' premiums — have risen more than — have risen $7,967 per year on average. That is catastrophic that millions of Americans can't afford health care. It is a catastrophic failure of 'Obamacare.'" — Barrett nomination hearing Wednesday.

So, the 2009 Lexus had what’s called a “high-compression engine.” The problem with high-compression engines is that they can cause the fuel mixture to detonate too early — before the spark fires — just due to the high pressure. That’s called pre-ignition, which causes knocking and pinging that are bad for the engine.

To combat that, the manufacturer requires you to buy a high-octane fuel. The primary characteristic of high-octane fuel (other than a high-octane price) is that it has a higher ignition point. That eliminates the pre-ignition problem.

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