Automakers Consider Octane Increase For Better Fuel Economy, Emissions

Automakers are looking to boost octane in the gasoline consumers use as a possible new tool to cheaply and easily meet ever-tightening standards.

Read more
European-Style Octane Could Boost Efficiency, Power In US Engines

Should United States gasoline octane standards be updated to match those in Europe, f uel efficiency could see a significant improvement, along with increases in engine power.

Read more
Piston Slap: When RON Met PON…Mon!!!

Brian writes:

Hola! First off, love the site, long time listener, first time caller. I recently had the amazing opportunity to act as chauffeur for my good Chilean friend Diego’s road trip through Patagonia. He had access to a little four banger 1998 Daihatsu Feroza (Rocky in the US) but did not know how to drive. So I gladly I wrestled this thing around Southern South America in a circuit of just over 3000 Kilometers that took us south on Chile’s famous Carretera Austral (dirt roads cutting through the Andes) and back north through Argentina’s Route 40 (very similar to route 66 in the US).

Read more
  • Bd2 Hyundai and Kia have zero problem selling their respective Ioniq and EV models at or above MSRP. EV9 is the top seller in it's segment.
  • Redapple2 366,000 miles is no small thing. The owners and the manufacturer: tip o the cap.
  • ToolGuy The 6 million residents of Missouri purchase twice as many Tesla vehicles as do the 5 million residents of Alabama. So now you know.
  • Redapple2 1 Hybrid will be a no go for me. Engine shake on start is more than most.2 I like the '24 better. I like distinct headlights. Grill. New Rear is blob like. '24 lobster claw rear may not appeal to all but at least it attempts style.3 Everything in the TV screen? No thx. Xmode selection. Seat heat. Cabin temp and more, Go to the Screen.4 '25 rides great? The '24 made Consumer Reports short list of best riding cars on sale.5 Gold wheels cool. Not cool? floating roof d pillar slash. Heat extraction gills at the front brake.Hard Pass. I ll keep my 24 Limited til the wheels come off.
  • Jeff S I have seen a number of new Teslas around where I live. Maybe the increased number is because Tesla has reduced the price on some of their models.