You might have noticed that some gas stations occasionally offer specials on unleaded 88 octane gas—also known as E15—which contains 15 percent ethanol. Ethanol is an alcohol that’s derived from corn.

Fast and Thinking both use Gemini 3 Flash, while Pro uses Gemini 3.1 Pro. Gemini 3 Flash is fine for quick and easy requests and chats, but it’s not as effective as Gemini 3.1 Pro when it comes to ...