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Audi presents latest SQ5 TDI diesel; 48V MHEV & electric compressor

Green Car Congress

An actuator in the exhaust system, as fitted to the first SQ5 TDI, gives the V6 a sonorous sound. This offers the advantage since exhaust gas cleaning responds more quickly. The exhaust manifold benefits from improved insulation; the exhaust gas reaches the optimum temperature more quickly after a cold start.

Audi 269
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Calls for an international 48V electrical standard for vehicles; looming WLTP implementation

Green Car Congress

At the 2 nd International Conference Automotive 48 V Power Supply Systems , held last week in Düsseldorf, Germany, Controlled Power Technologies (CPT), a major sponsor of the event, together with leading car makers and Tier 1 suppliers, argued the need for an internationally agreed 48V electrical standard.

Standards 257
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ORNL-led team developing breakthrough high-temperature, high-strength Al alloy for advanced light-duty engines

Green Car Congress

Projected conditions for internal combustion engines in 2025 push light-duty engine exhaust temperatures into the low end of gas turbine regimes, Haynes said. The increasing piston, cylinder, head, exhaust valve and turbocharger temperatures represent significant structural materials—and cost—challenges.

Light 259
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New Audi A8 comes with 48V mHEV standard; plug-in e-tron model with wireless charging

Green Car Congress

In a brand event in Barcelona, Audi unveiled its fourth-generation A8 luxury sedan. TFSI and electric motor deliver 330 kW (449 hp) of system power and 700 N·m (516.3 mi) of electric driving. As soon as the driver steps on the gas again, the belt alternator starter prompts a swift but soft restart. through 99.4

Audi 150
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Bosch says it has solved diesel NOx problem; as low as 13 mg NOx/km even under RDE; refining existing technologies

Green Car Congress

But even today, vehicles equipped with Bosch diesel technology can achieve as little as 13 milligrams of NO x in standard legally-compliant RDE cycles. A dynamic driving style demands an equally dynamic recirculation of exhaust gases. To ensure optimum NO x conversion, the exhaust gases must be hotter than 200 degrees Celsius.

Diesel 210
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Mercedes-Benz to showcase pre-production version of coming GLC F-Cell fuel cell PHEV at IAA

Green Car Congress

Mercedes-Benz has already gathered experience with hydrogen-powered electric vehicles over several vehicle generations. The only exhaust gas emitted was water vapor—1800 tonnes of it in all. Fuel cell technology remains an integral part of Daimler’s powertrain strategy.

Mercedes 170
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SEAT pushes forward with CNG line-up

Green Car Congress

SEAT, a member of the Volkswagen Group, continues to spearhead the introduction of compressed natural gas (CNG) technology, giving customers the widest choice of vehicles that are cleaner, more sustainable and offer even greater efficiency. Only a pure electric vehicle running on 100% renewable energy would offer a better overall outcome.