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Used Car of the Day: 1974 Alfa Romeo Berlina 2000

The Truth About Cars

Today's UCOTD is a rally-ready 1974 Alfa Romeo Berlina 2000. There's good, too, apparently: A rebuilt motor, all-new suspension, NOS Abarth exhaust, roof rack, TZ wheels, Weber cars, rally driving lights, and Euro bumpers. This car has problems, such as rust, dents, and oil leaks. Oh, and a rear seal leak.

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Used Car of the Day: 2000 Chevrolet Camaro Z28 SS SLP

The Truth About Cars

The 2000 Chevrolet Camaro Z28 SS SLP is one of those cars I used to geek out on when I picked up a buff book back during my college days. Mods include LS6 heads, a C Motion cam, an upgraded intake, an upgraded exhaust, an upgraded rear-end with a 4:10 ratio, and more. So naturally, I picked this one for today's UCOTD.

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Study finds PM from biodiesel blends may be 50-80% less toxic per unit PM mass than from petroleum diesel

Green Car Congress

In the study, the team examined the relationships between biodiesel fuel blend, exhaust particle oxidative potential (OP), and PM composition. OP in oxidized aerosols, including engine exhaust, is commonly quantified using the DTT (dithiothreitol) assay. PM-normalized DTT Activity for biodiesel exhaust PM. —Holmén et al.

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Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

Green Car Congress

A study by researchers from the University of Denver and the University of Puget Sound indicates that high-mileage light-duty fleets contribute higher emissions and emissions share than expected based on their actual numbers in the fleet. of the registered vehicles (2000/325000). In their study, Bishop et al. —Bishop et al.

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2015 VW Jetta TDI: a more refined, powerful and efficient diesel within a nicely redesigned model line

Green Car Congress

The aluminum-alloy cross-flow cylinder head has a novel placement of intake and exhaust valves; the intake and exhaust ports for each cylinder are positioned one behind the other in the direction of flow. In other words, there is not a separate intake or exhaust camshaft. Top: Valve layout. We can now adjust about 50 ?

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U Toronto study measures GDI emissions in urban near-road environment

Green Car Congress

Hence, GDI PM mass loadings and chemical composition may vary depending on the measurement environment or exhaust conditioning. The vehicles in the study were 7 2013 Ford Focus light-duty SE sedans equipped with gasoline direct injection (GDI) engines fueled with commercially available gasoline. —Zimmerman et al.

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Ricardo’s “deep” Miller cycle concept: Magma

Green Car Congress

A long exhaust stroke then extracts maximum efficiency. The expansion ratio on the exhaust stroke is much higher than the effective compression ratio; the longer expansion provides extra power to the crankshaft and extracts more energy from the combusted fuel. Magma boost system layout. Source: ICCT, Pendlebury et al. Resources.

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