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In Jamaica, it's not easy to sell or buy hybrid cars

Jamaica's mellow reputation and Rasta vibe contributes to an international reputation of an island nation that moves at a leisurely pace. And the term "leisurely" certainly applies to the rate of sales of hybrids there. And we thought Mitsubishi i sales in the US have been slow. The country's Toyota dealership is still in the process of explaining hybrid technology to many of its prospective customers, with the widespread perception remains that a standard Toyota Prius needs to be plugged in for electrical charging, the Jamaica Gleaner reports. Because of such slow exposure, Toyota has only sold about 10 hybrids in Jamaica since the Japanese automaker started selling them there in 2010. And we thought Mitsubishi i sales in the US have been slow. Toyota dealers in Jamaica continue to tout hybrid technology that can boost fuel economy by about 30 percent but are going up against the fact that Toyota's hybrids now need to be pre-ordered and aren't kept in stock because of sluggish demand. There's also the fact that Toyota's Japanese operations insist on an approval process that ensures the hybrids sent there can handle Jamaica's road conditions, and it typically takes three to four months for a Prius to get to Jamaica once ordered. Island locales provide a curious dichotomy for advanced-powertrain vehicles. On one hand, the driving distances tend to be relatively small, lengthening the amount of time it takes to pay back the original cost premium. On the flip side, importing fuel to islands makes gas prices skyrocket and can prove costly for the economy in island nations. Late last year, for instance, the government of another Caribbean nation, Barbados, estimated it spends about $250 million a year on gas used for personal vehicles. That's why the government there is pushing for more electric-vehicle adoption, though the number of EVs on the island was in the low double-digits as of mid-2013.

Toyota's hydrogen fuel cell Mirai isn't good enough to be a Lexus

It looks like the first hydrogen fuel-cell vehicle from Lexus will be faster than previously advertised, but it will get to the market slower than expected. It's all part of the paradox involved with Toyota looking to broaden its fuel-cell technology beyond the Mirai. Either way, the first Lexus fuel-cell vehicle is slated to start sales by the end of the decade, said Auto Express, citing comments from Alain Uyttenhoven, head of Lexus Europe. Uyttenhoven noted that it'd take an SUV to provide enough space to accommodate the packaging for the Lexus fuel cell powertrain. That comment may imply that the hydrogen-fueled powertrain from Lexus will offer similar performance to that of the Lexus RX450h hybrid SUV. That model delivers 300 horsepower and boasts a 0 to 60 mile-per-hour time of about seven seconds. Such a mill would be a departure from what we'd previously reported on Toyota's plans to expand its fuel-cell technology to its Lexus luxury badge. With Toyota believed to be planning to unveil as many as three fuel-cell models in time for the 2020 Summer Olympics in Tokyo, the Japanese automaker said early last year that it may have a Lexus fuel-cell vehicle available as soon as 2017, while reports suggesting the model would be a Lexus LS-based sedan. Additionally, the Mirai's fuel-cell powertrain had been believed to be the platform for the proposed Lexus fuel cell from the moment that model started sales in California last year. Apparently, though, the Mirai's 152-horsepower powertrain, coupled with a full-tank range that would be about 20 percent less than the 300-mile Mirai, isn't up to snuff for Lexus duty. Related Video: News Source: Auto Express via Hybrid CarsImage Credit: Jonathon Ramsey / AOL Green Lexus Toyota Hydrogen Cars mirai

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.