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The tricky business of octane, power, and MPG

Given tepid green-car sales numbers this year, consumers in the US aren't making the transition away from internal combustion engines too quickly. Regulations are still mandating cleaner emissions, though. In addition to downsizing and turbocharging, there's growing consideration about moving to higher-octane fuel to improve overall efficiency. In a new report, engineers at FCA, Ford and General Motors Powertrain are showing that it could work, too. The major advantage to higher-octane fuel is that it supports higher compression ratios. That in turn can lead to more power from burning the same amount of gas. "Higher ethanol content is one available option for increasing the octane ratings of gasoline and would provide additional engine efficiency benefits for part and full load operation," the researchers write in the study's abstract. The authors even think it could be possible to update some modern vehicles' engine calibration to be optimized for the better gas. While the benefits are there, we still have a long way to go before higher-octane fuel becomes a national standard. According to Green Car Congress, 87 percent of the gas sold in the US is regular grade 87-octane. Meanwhile, premium 91-93 octane makes up just 10 percent. The various grades of fuel illuminate even more annoyances with the current system. For example, Ford generally recommends 93-octane for EcoBoost engines, and the power outputs that the company publishes are based on using it. However according to Green Car Reports, such premium gas is very difficult to find in some regions of the US, especially along the West Coast. The powertrains still run on lesser grades but with lower power output. The researchers' discussion of possibly increasing ethanol in gas also comes during a heated debate on the substance. The current administration is pushing for less of the corn-based fuel in the coming years. Although, several presidential hopefuls might be favor of reversing that course.

2015 Ford F-150 [w/videos]

To learn more about the all-new 2015 F-150 and get an early read on its potential hero-or-zero status, we flew to the heart of full-size pickup truck country, San Antonio, TX, to spend a day driving, towing and playing in the mud with an assortment of Ford's innovative new trucks.
First, a caveat - while we feel we have a reasonably good handle on the new F-150 after attending this first-drive event, we are far from ready to pass definitive judgment on the success of this radically new rig. Our time in the various models was lamentably limited and we felt rushed. With so much at stake and with so much to talk about and experience, we had zero alone time with the vehicle - there were Ford folks shadowing us at every moment.
And we still don't know everything there is to know about the trucks, as Ford is withholding some of its most crucial numbers, including curb weight data and anticipated EPA fuel economy figures. We don't even have a firm on-sale date. All of this information is typically disclosed - or at least officially estimated - at the time of a new vehicle's first drive. This limits the scope of the judgments we feel comfortable making based on our first encounter.

Best trucks for the money in 2024, according to iSeeCars

Full-size trucks are some of the most popular vehicles on the road in the U.S., but they’ve become exceedingly expensive in some cases. That makes it even more important to choose the right full-size truck to maximize value and longevity. iSeeCars recently released its list of the best trucks for the money for 2024, ranking AmericaÂ’s full-size trucks on the cost to own over 10,000 miles. Though the Ford F-150 is the best-selling new full-size truck, it failed to break into the three best trucks for the money, landing at number four on the list. The top six pickups include: Chevrolet Silverado 1500: $2,863 per 10,000 miles Toyota Tundra: $2,868 Ram 1500: $3,352 Ford F-150: $3,469 GMC Sierra 1500: $3,598 Nissan Titan: $4,008 The list is short because there is only a handful of full-size trucks on sale. Though many are expected to last quite a while – some have lifespan estimates of more than 180,000 miles, and the Toyota TundraÂ’s average life is 226,032 miles – all of them are expensive. iSeeCars found that the average new truck purchase price is $61,353, with trucks like the GMC Sierra 1500 topping $66,000. iSeeCars ranked the trucks on their purchase price and 10,000-mile ownership costs, not on driving excitement, styling, tech, or safety. It also did not asses each truckÂ’s capabilities, such as towing and payload, but said that buyers looking to save money should only purchase one if they have “genuine truck needs.” The study looked at several vehicle types to find the best models for the money in each category. The Mitsubishi Mirage was the best car overall, returning a $1,099 10,000-mile ownership cost and a low $18,991 purchase price. The Toyota Tacoma was the best midsize truck, and Toyota landed a strong seven vehicles in the top 25 best cars for the money overall. Chevrolet Ford GMC Nissan RAM Toyota