2008 Toyota Camry Hybrid Sedan 4-door 2.4l on 2040-cars

Auto blog

Toyota to buck engine downsizing trend, may go larger and turbo-free

Turbocharging isn't really Toyota's specialty, and the Japanese automaker isn't being shy about acknowledging it. Koei Saga, a senior managing officer in charge of drivetrain research and development, says that eschewing turbos and increasing displacement of engines using the Atkinson cycle can produce better power gains without sacrificing fuel economy, Automotive News reports.
Toyota is investing heavily in larger-displacement Atkinson-cycle engines in addition to turbocharged engines, but Saga doesn't think the automaker will use turbocharging across many product lines. He apparently remains unconvinced that the technology "makes the world better."
In Toyota's eyes then, Atkinson cycle engines do make the world better, and here's how. Their pistons complete four processes - intake, compression, power and exhaust - in one revolution of the crankshaft, and the power stroke is longer than the compression stroke. Traditional Otto cycle engines require two crankshaft revolutions to accomplish those same four operations and have equal-length compression and power strokes. Atkinson cycle engines are more efficient, but less power dense, though increasing displacement can offset that shortfall.

The most efficient gas or hybrid cars of 2024: Not the greenest, but still very green

Not a single electric vehicle appears on the “greener choices” list assembled by the American Council for an Energy-Efficient Economy (ACEEE) in its annual compilation of the most environmentally friendly cars in the United States. But for potential car buyers seeking an efficient, fairly affordable gasoline or hybrid vehicle this year, the list of 12 cars, trucks and SUVs can help with decision making. Topping this yearÂ’s list was the gas/hybrid Honda Accord, priced at $33,990 with an estimated annual fuel cost of $982. Rank Make & Model Powertrain Vehicle Class Green Score MSRP Estimated Annual Fuel Cost* 1 Honda Accord Gas Hybrid Large Car 62 $33,990 $982 2 Kia Niro FE Gas Hybrid Compact SUV 61 $28,315 $885 3 Mitsubishi Mirage Gas Compact Car 59 $17,955 $1,189 4 Lexus ES 300h Gas Hybrid Midsize Car 59 $44,590 $1,073 5 Lexus NX 350h Gas Hybrid Midsize SUV 57 $43,465 $1,207 6 Ford Maverick Gas Hybrid Compact Pickup 55 $24,900 $1,297 7 Toyota Sienna Gas Hybrid Minivan 55 $39,080 $1,304 8 Mini Cooper Convertible Gas Subcompact Car 54 $35,700 $1,412 9 Toyota Highlander Gas Hybrid Large SUV 54 $40,720 $1,348 10 Kia Soul Gas Small Wagon 53 $21,565 $1,467 11 BMW Z4 sDrive30i Gas Two-Seater 50 $53,600 $1,626 12 Mercedes-Benz GLA250 Gas Hybrid Large Van 49 $43,000 $1,596 13 Volvo V90CC B6 Gas Hybrid Midsize Wagon 45 $59,800 $1,843 14 Ford Ranger Gas Standard Pickup 43 $32,670 $1,968 *ACEEE analysis using EIA data of the annual cost of driving 15,000 miles In making its evaluations, the ACEEE examines each 2024 model based on its cost to human health from air pollution associated with vehicle manufacturing and disposal, the production and distribution of fuel or electricity, and vehicle tailpipe emissions. The group also takes into account air pollution associated with EV battery manufacturing. The organization also ranks what it calls the “greenest” cars — it selected the Toyota Prius Prime SE plug-in hybrid is the greenest model of 2024. As well as the “Meanest.Â’Â’ or least efficient vehicle. At the top of that list this year was Mercedes-Benz AMG G63. The group says that the greener choices are those that are available nationwide “with among the lowest environmental impacts in each vehicle class but that didnÂ’t make the Greenest List.

There's a familiar ring to this 1966 video of GM's hydrogen ElectroVan

"What we need is fuel cells that can run on a hydrocarbon fuel and air." It can be fun and educational to revisit the past as we look into the future. While we do have cars that plug in today, the first big batch of hydrogen powered vehicles is not yet arrived (but the Hyundai Tucson Fuel Cell CUV is leading the way). The idea of hydrogen as a promising future technology was also true in 1960s, when General Motors made a promotional movie for the ElectroVan. Turns out, the future then shared more than a little with the future now. As you can see in the short promotional video below for the hydrogen-powered ElectroVan, a modified 1966 GMC HandiVan, a big hurdle in the mid 1960s was the difficulty of obtaining hydrogen fuel. GM offered a possible solution at the time: "Hydrogen and oxygen are expensive and impractical fuels for a car. What we need is fuel cells that can run on a hydrocarbon fuel and air." Unlike today's hydrogen fuel cell cars, the ElectroVan used liquid hydrogen-oxygen fuel cells to get a range of between 100 and 150 miles. Not bad for the first hydrogen fuel cell-powered vehicle in the world. GM tested the ElectroVan on the GM grounds before sending it into storage and then to the company's heritage center. For another view to the past, this time with some focus on electric vehicles, take a look at a video from the 1994 Chicago Auto Show, also available below. Twenty years ago, the green vehicle hype was on the Toyota EV-50 electric car, the solar-powered Honda EVX (and a solar Honda racing car) and a hydrogen-powered Mazda Miata. The announcer's enthusiasm is contagious, but as we all know, none of these vehicles ever made it to dealerships. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. News Source: Chicago Auto Show, Bangshift via YouTube Green GM Toyota Technology Emerging Technologies Electric Hydrogen Cars Videos